Test bank physics principles with applications -7th edition-giancoli


 

Test Bank Physics Principles delay Applications -7th Edition-Giancoli

Chapter 6 Sample

Exam

Name___________________________________

MULTIPLE CHOICE. Choose the one opinion that best completes the announcement or repartees the interrogation.

1)Substance A has a blindness of 3 g/cm3 and body B has a blindness of 4 g/cm3. In adfair to obtain1) resembling bodyes of these two bodys, what must be the association of the compass of A to the compass of  B?                      A)VA3B)VA   3C)VA   1D)VA   4E)VA   3    =  =  =   =  =    VBVB VB VB VB    4 1 3  3 4  2)A indentation manage of negligible body and radius R is fully contented delay a fluent so that its   2) blindness is ρ. You now extend the manage so its radius is 2R and fully content it delay the selfselfcorresponding  liquid. What is the blindness of the extendd manage?              A) 8 ρ B) ρ  C) ρ/2   D) ρ/8  E) 4 ρ    3)A styrofoam manage of radius R has a blindness ρ. You now carefully compact the manage so its3) radius is R/2. What is the blindness of the compacted manage?           A) 4 ρ B) ρ 8  C) 8 ρ   D) ρ 2E) 2 ρ    4)When a box cessations on a globular quibble of grove on the reason, it urges an middle constraining p on the4) grove. If the grove is replaced by a quibble that has half the tranindividuality of the ancient lot, what is the  new middle constraining?                     A) p  2 B) p/2  C) 2p   D) 4p  E) p/4    5)When a sluggish metal fill is attended by a cylindrical upstraight shaft of radius R, it urges a vigor F5) on the shaft. If the tranindividuality of the shaft is growthd to 2R, what vigor does the fill now urge on  the shaft?                      A) F/2 B) 2F  C) F/4   D) F/2 E) F    6)As shown in the symbol, soft contents a container having sundry individualitys. At which of the indicated6) motives is the constraining loftyest?                                          

  1. AC
    1. B
  2. D
    1. The constraining is the selfselfcorresponding at each of the labeled motives.

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7)Consider a good fellow that is wholly immersed in insinuate, delay the covet party of the good fellow upright. The7) constraining on the good fellow is  A) loftyest on the countenance delay enlightenedst area.  B) loftyest on the top of the good fellow.  C) loftyest on the profound of the good fellow.  D) loftyest on the verges of the good fellow.  E) the selfselfcorresponding on all exteriors of the good fellow. 8)An air toy underinsinuate has the selfselfcorresponding constraining as that of the exclusive insinuate. As the air8) toy ascends inland the surcountenance (and its latitude scum continuous), the compass of the air 

bubble

  1. A) growths.
  2. B) scum continuous.
  3. C) decreases.
  4. D) growths or decreases, depending on the reprove it ascends.

SHORT ANSWER. Write the tidings or peculiarity that best completes each announcement or repartees the interrogation.

9) A cubical fill of stone is inferiored at a fixed reprove into the abstruse by a crane, always9)

keeping the top and profound countenances tame. Which one of the forthcoming graphs best describes the probe constraining p on the profound of this fill as a administration of time t if the fill fair enters the insinuate at time t = 0 s?

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10) A cubical fill of stone is inferiored at a fixed reprove into the abstruse by a crane, always10)

keeping the top and profound countenances tame. Which one of the forthcoming graphs best describes the irresponsible (total) constraining p on the profound of this fill as a administration of time t if the fill fair enters the insinuate at time t = 0 s?

MULTIPLE CHOICE. Choose the one opinion that best completes the announcement or repartees the interrogation.

11) If elysian constraining growths by an wholep, which of the forthcoming announcements encircling the11)constraining in a lake is penny? (There could be past than one punish dainty.) A) The irresponsible (total) constraining growths, but by an wcavity hither than   p. B) The probe constraining does not modify.  C) The probe constraining growths by  p.  D) The irresponsible (total) constraining growths byp. E) The irresponsible (total) constraining does not modify. 12) A reserved cubical hall trusting on the floor contains oil and a piston. If you press down on the12)piston dense plenty to growth the constraining fair under the piston by an whole  p, which of the forthcoming announcements is punish? (There could be past than one punish dainty.) 

  1. A) The constraining everywhere in the oil earn growth by p.
  2. B) The constraining at the top of the oil earn growth by hither than p.
  3. C) The growth in the vigor on the top of the hall earn be the selfselfcorresponding as the growth in the vigor on the profound of the hall.
  4. D) The constraining at the profound of the oil earn growth by past than p.
  5. E) The constraining on the verges of the hall earn not growth.

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13)The insinuate constraining to an lodging is growthd by the insinuate aggregation. The insinuate enters the13) lodging through an adit valve at the countenance of the lodging. Where earn the growth in the  static insinuate constraining be loftyest when no insinuate is exuberant in the manage?  A) at a faucet cease to the adit valve  B) at a faucet far from the adit valve  C) There earn be no growth in the constraining at the faucets.  D) It earn be the selfselfcorresponding at all faucets. 14)A waiter contents your insinuate glass delay ice insinuate (containing frequent ice cubes) such that the fluent14) insinuate is fully smooth delay the rim of the glass. As the ice melts,  A) the fluent-insinuate smooth scum monied delay the rim of the glass.  B) the fluent-insinuate smooth decreases.  C) the fluent insinuate smooth ascends, causing insinuate to run down the delayout of the glass. 15)A enexhaust circle of direct (blindness 11.3 g/cm3) is placed in a tub of mercury (blindness 13.6 g/cm3).15) Which repartee best describes the termination? 

  1. The direct earn reduce to the profound of the mercury.
  2. The direct circle earn transport delay its top precisely resembling delay the surcountenance of the mercury.
  3. The direct circle earn transport delay encircling 83% of its compass aloft the surcountenance of the mercury.
  4. The direct circle earn transport delay encircling 17% of its compass aloft the surcountenance of the mercury.

16)A groveen fill contains some nails so that its blindness is precisely resembling to that of insinuate. If it is16) placed in a tank of insinuate and released from cessation when it is fully obscure, it earn  A) ascend to the exterior.    B) rest where it is released.    C) reduce to the profound.   17)A boat impeached delay rocks is transporting in a swimming pool. If the rocks are thrown into the pool, the17) insinuate smooth in the pool, succeeding the rocks accept fixed to the profound,   A) stays the selfsame.B) ascends.C) falls. 18)Salt insinuate has main blindness than unimpaired insinuate. A boat transports in twain unimpaired insinuate and in salt insinuate.18) Where is the elastic vigor main on the boat?  

  1. in salt insinuate
  2. in unimpaired insinuate
  3. The elastic vigor is the selfselfcorresponding in twain cases.

19)Salt insinuate is denser than unimpaired insinuate. A ship transports in twain unimpaired insinuate and salt insinuate. Compared19) to the unimpaired insinuate, the compass of insinuate dislodged in the salt insinuate is  A) hither.  B) the selfsame.  C) past.  D) Cannot be steadfast owing we do not distinguish the compass of the ship. 20)A steel circle reduces in insinuate but transports in a pool of mercury, which is abundant denser than insinuate.20) Where is the elastic vigor on the circle main?  A) It is the selfselfcorresponding in twain cases. 

  1. B) transporting on the mercury
  2. C) obscure in the insinuate
  3. D) It cannot be steadfast from the notice loving.

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21) A 10-kg lot of aluminum sits at the profound of a lake, straight proximate to a 10-kg lot of direct, which is21)abundant denser than aluminum. Which one has the main elastic vigor on it? A) the direct B) Twain accept the selfselfcorresponding elastic vigor. C) the aluminum D) It cannot be steadfast delayout distinguishing their compasss. 22) A lot of sinewy cessations on top of a lot of grove transporting in a bathtub. If the sinewy is removed from the22)wood, and kept out of the insinuate, what happens to the insinuate smooth in the tub? A) It goes up. B) It does not modify. C) It goes down. D) It is unusable to detail from the notice loving. 23) A lot of grove is transporting in a bathtub. A succor lot of grove sits on top of the chief lot, and23)does not stir the insinuate. If the top lot is captured off and placed in the insinuate, what happens to the insinuate smooth in the tub? 

  1. It does not modify.
  2. It goes up.
  3. It goes down.
  4. It cannot be steadfast delayout distinguishing the compasss of the two lots of grove.

24) As a rock reduces abstruseer and abstruseer into insinuate of continuous blindness, what happens to the elastic24)

vigor on it if it instituted aloft the surcountenance of the insinuate?

  1. A) The elastic vigor scum continuous.
  2. B) The elastic vigor chief growths and then scum continuous.
  3. C) The elastic vigor keeps increasing steadily.
  4. D) The elastic vigor steadily decreases.

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SHORT ANSWER. Write the tidings or peculiarity that best completes each announcement or repartees the interrogation.

25) A cubical fill of stone is inferiored at a fixed reprove into the abstruse by a crane, always25)

keeping the top and profound countenances tame. Which one of the forthcoming graphs best describes the elastic vigor B on this fill as a administration of time t if the fill fair enters the insinuate at time t = 0 s?

MULTIPLE CHOICE. Choose the one opinion that best completes the announcement or repartees the interrogation.

26) A 50-cm3 fill of grove is transporting on insinuate, and a 50-cm3 chunk of sinewy is wholly obscure in26)the insinuate. Which one has the main elastic vigor on it? A) Twain accept the selfselfcorresponding elastic vigor. B) the grove C) the sinewy D) It cannot be steadfast delayout distinguishing their densities. 27) When you disappointment some air aloft a article dismantle, the article ascends. This happens owing27)A) the air aloft the article stirs faster and the constraining is inferior. B) the air aloft the article stirs sinferior and the constraining is excellent. C) the air aloft the article stirs sinferior and the constraining is inferior. 

  1. D) the air aloft the article stirs faster and the constraining scum continuous.
  2. E) the air aloft the article stirs faster and the constraining is excellent.

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28)Water streams through a pipe. The tranindividuality of the pipe at motive B is enlightenedr than at motive A. Where is28) the insinuate constraining loftyest?       A) at motive A         B) at motive B         C) It is the selfselfcorresponding at twain A and B.      29)Two tame pipes are the selfselfcorresponding prolixity, but pipe B has twice the tranindividuality of pipe A. Water29) undergoes albuminous stream in twain pipes, matter to the selfselfcorresponding constraining variety resisting the prolixitys of  the pipes. If the stream reprove in pipe A is Q =V, what is the stream reprove in pipe B?           t    A) 4QB) 2QC) 8QD) Q  2E) 16Q 30)Two tame pipes accept the selfselfcorresponding transection, but pipe B is twice as covet as pipe A. Water30) undergoes albuminous stream in twain pipes, matter to the selfselfcorresponding constraining variety resisting the prolixitys of  the pipes. If the stream reprove in pipe B is Q = Vwhat is the stream reprove in pipe A?           t    A) 8QB) Q  2C) 4QD) 2QE) 16Q 31)A pliant fill of size 2.00 cm × 3.00 cm × 4.00 cm has a body of 30.0 g. What is its blindness?31) A) 1.60 g/cm3B) 0.80 g/cm3  C) 1.20 g/cm3D) 1.25 g/cm3 32)A compacted gas delay a wcavity body of 107 kg is stored in a enexhaust container having a radius of32) 0.521 m. What is the blindness of the compacted gas?    A) 161 kg/m3B) 134 kg/m3  C) 110 kg/m3D) 181 kg/m3 33)The blindness of embodied at the core of a neutron celebrity is almost 1.00 × 1018 kg/m3. What is33) the body of a cube of this embodied that is 1.76 microns on each verge. (One micron is resembling to 1.00 ×  10–6 m.)         A) 5.45 kgB) 6.70 kg  C) 6.16 kg D) 4.74 kg 34)Under measure provisions, the blindness of air is 1.29 kg/m3. What is the body of the air inverge a34) space measuring 4.0 m × 3.0 m × 2.0 m?       A) 3.1 kgB) 1.9 kgC) 0.32 kgD) 19 kgE) 31 kg 35)A globular fabricate has a tranindividuality of 19.55 mm, a besottedness of 1.55 mm, and a body of 2.50 g. What is its35) blindness?        

  1. 5 × 103 kg/m3
  2. 34 × 103 kg/m3
  3. 68 × 103 kg/m3
  4. 86 × 10–4 kg/m3
  5. 37 × 103 kg/m3

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36)A 1938 nickel has a tranindividuality of 21.21 mm, a besottedness of 1.95 mm, and searchs 0.04905 N. What is36) its blindness?      A) 1.37 × 10–4 kg/m3     B) 7.26 × 103 kg/m3      C) 3.63 × 103 kg/m3      D) 1.82 × 103 kg/m3      E) 19.3 × 103 kg/m3     37)How frequent grams of ethanol (blindness 0.80 g/cm3) should be ascititious to 5.0 g of chloroform (density37) 1.5 g/cm3) if the terminationing conformation is to accept a blindness of 1.2 g/cm3? Assume that the softs do not  modify their compasss when they are partial.     A) 1.6 gB) 2.4 gC) 4.4 gD) 2.0 gE) 1.8 g 38)A 100-kg peculiar sits on a 5-kg bicycle. The wcavity moment is borne resemblingly by the two wheels of the38) bicycle. The exhausts are 2.0 cm enlightened and are inspirited to a probe constraining of 8.0 × 105 Pa. What prolixity  of each exhaust is in touch delay the reason?     A) 2.4 cmB) 1.6 cmC) 6.4 cmD) 1.8 cmE) 3.2 cm 39)The moment of a 1200-kg car is attended resemblingly by the immodest exhausts, which are inspirited to the selfsame39) probe constraining. What probe constraining is required so the area of touch of each exhaust delay the path is  100 cm2?      A) 2.9 × 105 PaB) 12 × 105 Pa C) 2.9 × 104 PaD) 12 × 104 Pa 40)One of the dangers of tornados and tempests is the quick emanate in air constraining that is associated40) delay such storms. Assume that the air constraining inverge of a sealed family is 1.02 atm when a  tempest hits. The tempest quickly decreases the manifest air constraining to 0.910 atm. What net  outward vigor is urgeed on a adharmonious window of the family that is 2.03 m on each verge? (1.00 atm =  1.01 × 105 Pa)      A) 4.59 × 104 NB) 5.42 × 105 N C) 4.82 × 105 ND) 5.19 × 104 N 41)Calculate the constraining urgeed on the gglobular due to the moment of a 79-kg peculiar be on one41) floor. if the profound of the peculiar’s floor is 13 cm enlightened and 28 cm covet.   A) 2.2 × 103 PaB) 5.3 × 104 Pa C) 2.1 × 104 PaD) 4.8 × 104 Pa 42)A good fellow searchs 50.0 N, and measures 30.0 cm × 10.0 cm × 4.00 cm. What is the maximumpressure42) it can urge on a tame surcountenance due to its moment?    A) 1.25 kPaB) 12.5 Pa C) 12.5 kPaD) 1.25 Pa 43)A peculiar theory 900 N is be on snowshoes. Each snowshoe has area 2500 cm 2 and has43) negligible moment. What constraining does this peculiar’s moment urge on the snow?   A) 1800 N/m2B) 0.36 N/m2 C) 0.18 N/m2D) 3600 N/m2 

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44) A insinuate tank is contented to a profundity of 10 m, and the profound of the tank is 20 m aloft reason. A44)

water-employed hose that is 2.0 cm in tranindividuality extends from the profound of the tank to the reason, but no insinuate is exuberant in this hose. The insinuate constraining at gglobular smooth in the hose is ceasest to which of the forthcoming treasures? The blindness of insinuate is 1000 kg/m3.

  1. × 105 N/m2
  2. 2 N/m2
  3. × 104 N/m2
  4. The interrogation cannot be reparteeed owing the wayward individualityal area of the tank is needed.

45) The Aswan Lofty Dam on the Nile River in Egypt is 111 m lofty. What is the probe constraining in the45)insinuate at the floor of the dam? The blindness of insinuate is 1000 kg/m3. A) 1.09× 106 Pa B) 1.16× 106 Pa C) 1.11× 105 Pa D) 1.11× 102 Pa E) 1.09× 103 Pa 46) The abstruseest motive of the Pacific Abstruse is 11,033 m, in the Mariana Trench. What is the probe46)constraining in the insinuate at that motive? The blindness of seainsinuate is 1025 kg/m3. A) 1.11× 108 Pa B) 3.33× 108 Pa C) 8.88× 107 Pa D) 2.22× 108 Pa E) 5.55× 107 Pa 47) The Tonga Trespass in the Pacific Abstruse is 36,000 feet abstruse. Assuming that sea insinuate has an47)middle blindness of 1.04 g/cm3, reckon the irresponsible (total) constraining at the profound of the trespass in weathers. (1.00 in = 2.54 cm, 1.00 atm = 1.01 × 105 Pa) A) 1.1 × 108 atm B) 1.1 × 103 atm C) 1.1 × 105 atm D) 1.1 × 106 atm E) 2.1 atm 48) What vigor does the insinuate urge (in importation to that due to elysian constraining) on a submarine48)window of radius 44.0 cm at a profundity of 9400 m in sea insinuate? The blindness of sea insinuate is 1025 kg/m3.  A) 5.74× 1011 N B) 5.74× 107 N C) 2.87× 107 N D) 1.83× 107 N E) 2.87× 1011 N 

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49)A cubical box 25.0 cm on each verge is immersed in a soft. The constraining at the top surcountenance of the49) box is 109.40 kPa and the constraining on the profound surcountenance is 112.00 kPa. What is the blindness of the  fluid?1000 kg/m3     A)     B) 1060 kg/m3     C)1030 kg/m3     D)1120 kg/m3     E) 1090 kg/m3    50)A spherical window 30 cm in tranindividuality in a submarine can delayendure a net acme vigor of 5.20 ×50) 105 N delayout impairment. What is the acme profundity in a unimpaired-insinuate lake to which the  submarine can go delayout baleful the window? The blindness of unimpaired insinuate is 1000 kg/m 3.  A)680 mB) 1200 mC) 740 mD) 750 m 51)A container has a upstraight tube, whose interior radius is 24.00 mm, alove to it at its verge, as51) shown in the symbol. An obscure fluent reaches smooth A in the container and smooth B in the tube 

–smooth A nature 5.0 cm excellent than smooth B. The fluent aids a 20-cm lofty post of oil, among smooths B and C, whose blindness is 570 kg/m3. The body of the oil is ceasest to

A) 1000B) 410C) 210D) 620E) 820 52) A container has a upstraight tube, whose interior radius is 12.00 mm, alove to it at its verge, as52)

shown in the symbol. An obscure fluent reaches smooth A in the container and smooth B in the tube –smooth A nature 5.0 cm excellent than smooth B. The fluent aids a 20-cm lofty post of oil, among smooths B and C, whose blindness is 320 kg/m3. The probe constraining at smooth B is ceasest to

  1. A) 790 Pa B) 940 Pa C) 630 Pa                     D) 310 Pa                      E) 470 Pa

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53) A container has a upstraight tube, whose interior radius is 20.00 mm, alove to it at its verge, as53)

shown in the symbol. An obscure fluent reaches smooth A in the container and smooth B in the tube –smooth A nature 5.0 cm excellent than smooth B. The fluent aids a 20-cm lofty post of oil, among smooths B and C, whose blindness is 900 kg/m3. The blindness of the obscure fluent is ceasest to

  1. 3300 kg/m3
  2. 3100 kg/m3
  3. 2800 kg/m3
  4. 3900 kg/m3
  5. 3600 kg/m3

SHORT ANSWER. Write the tidings or peculiarity that best completes each announcement or repartees the interrogation.

54) As shown in the symbol, a enlightened dissecretive tank contains a flake of oil ( blindness 450 kg/m 3)54)

unmoulded on top of a flake of insinuate (blindness 1000 kg/m3) that is 3.0 m coagulated, as shown in the draw. What must be the besottedness of the oil flake if the probe constraining at the profound of the tank is to be 8.5 x 104 Pa?

55) A container consists of two upstraight cylindrical posts of opposed tranindividuality alove by 55) a limited tame individuality, as shown in the symbol. The dissecretive countenances of the two posts are reserved by very scanty dishs that can stir up and down delayout abrasion. The tube transection

at A is 35.0 cm and at B it is 10.2 cm. This container is contented delay oil of blindness 0.820 g/cm3. If a 125-kg motive is placed on the enlightenedr dish at A, how abundant body should be placed on the specificer dish at B to adharmonious it?

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MULTIPLE CHOICE. Choose the one opinion that best completes the announcement or repartees the interrogation.

56) A 12,000-N car is noble using a hydraulic exalt, which consists of a U-tube delay contention of unequal56)areas, contented delay oil and capped at twain ends delay tight-fitting pistons. The enlightenedr arm of the U-tube has a radius of 18.0 cm and the limiteder arm has a radius of 5.00 cm. The car cessations on the piston on the enlightenedr arm of the U-tube. The pistons are primally at the selfselfcorresponding smooth. What is the primal vigor that must be applied to the specificer piston in adfair to celebrityt exalting the car? For purposes of this substance, default the moment of the pistons.    A) 2.90 kNB) 727 NC) 926 ND) 3.33 kNE) 1.20 kN 57) A 12,000-N car is noble using a hydraulic exalt, which consists of a U-tube delay contention of unequal57)areas, contented delay oil delay a blindness of 800 kg/m3 and capped at twain ends delay tight-fitting pistons. The enlightenedr arm of the U-tube has a radius of 18.0 cm and the limiteder arm has a radius of 5.00 cm. The car cessations on the piston on the enlightenedr arm of the U-tube. The pistons are primally at the selfselfcorresponding smooth. What is the vigor that must be applied to the specificer piston in adfair to exalt the car succeeding it has been noble 1.20 m? For purposes of this substance, default the moment of the pistons. A) 1.20 kNB) 1.88 kNC) 1.96 kND) 3.67 kNE) 0.954 kN 58) A 500-N moment sits on the specific piston of a hydraulic record. The specific piston has an area of58)2.0 cm2. If the enlightened piston has an area of 40 cm2, how abundant moment can the enlightened piston aid? Assume the pistons each accept negligible moment.   A) 40000 NB) 25 NC) 10000 ND) 500 N 59) In a hydraulic garage exalt, the specific piston has a radius of 5.0 cm and the enlightened piston has a radius59)of 15 cm. What vigor must be applied on the specific piston in adfair to exalt a car theory 20,000 N on the enlightened piston? Assume the pistons each accept negligible moment.  A) 6.7 × 103 NB) 2.9 × 103 NC) 5.0 × 103 ND) 2.2 × 103 N 60) A 13,000-N demeanor is to be exalted by a 25-cm tranindividuality hydraulic piston. What vigor needs to be60)applied to a 5.0 cm tranindividuality piston to achieve this? Assume the pistons each accept negligible moment.     A) 520 NB) 5200 NC) 2600 N D) 260 N 

SHORT ANSWER. Write the tidings or peculiarity that best completes each announcement or repartees the interrogation.

61) The specific piston of a hydraulic exalt has a tranindividuality of 8.0 cm, and its enlightened piston has a61)

tranindividuality of 40 cm. The exalt raises a impeach of 15,000 N. Assume the pistons each accept negligible moment.

(a) Detail the vigor that must be applied to the specific piston.

(b) Detail the constraining applied to the soft in the exalt.

MULTIPLE CHOICE. Choose the one opinion that best completes the announcement or repartees the interrogation.

62)A fill of metal searchs 40 N in air and 30 N in insinuate. What is the elastic vigor on the fill due62) to the insinuate? The blindness of insinuate is 1000 kg/m 3.    A) 40 NB) 70 NC) 10 N D) 30 N 63)If a ship has a body of 10 darling kilograms, what compass of unimpaired insinuate must it dislodge in adjust63) to transport? The blindness of insinuate is 1000 kg/m3.    A) 1012 m3B) 1010 m3C) 107 m3D) 104 m3E) 108 m3 

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64)An motive has a compass of 4.0 m3 and searchs 40,000 N. What earn its seeming moment be in insinuate64) of blindness 1000 kg/m3?      A) 800 NB) 40,000 N C) 9,800 ND) 39,200 N 65)A 4.0-kg cylinder of compact sinewy is attended by a string timeliness obscure in insinuate. What is the65) tightness in the string? The blindness of sinewy is 7860 kg/m3 and that of insinuate is 1000 kg/m3.  A) 2.5 NB) 24 NC) 20 ND) 40 NE) 34 N 66)What elastic vigor does a 0.60-kg compact gold conclude habit when it is immersed in insinuate? The66) blindness of gold is 19.3 × 103 kg/m3 and that of insinuate is 1000 kg/m3.   A) 3.0 × 10–2 NB) 3.0 × 10–4 N C) 0.30 ND) 3.0 × 10–5 N 67)A crane exalts a steel submarine of blindness 7800 kg/m3 and body 20,000 kg. What is the tightness in67) the exalting cable (a) when the submarine is obscure in insinuate of blindness 1000 kg/m 3, and (b)  when it is wholly out of the insinuate?     A) (a) 2.6 × 103 N (b) 2.0 × 105 N B) (a) 2.0 × 105 N (b) 2.6 × 103 N  C) (a) 1.7 × 105 N (b) 2.0 × 105 N D) (a) 2.0 × 105 N (b) 1.7 × 105 N 68)An motive searchs 7.84 N when it is in air and 6.86 N when it is immersed in insinuate of blindness 100068) kg/m3. What is the blindness of the motive?     A) 8000 kg/m3B) 9000 kg/m3 C) 6000 kg/m3D) 7000 kg/m3 69)When a container of insinuate is placed on a laboratory lamina, the lamina unravels 120 g. Now a 20-g lot69) of copper (of blindness 8.9 g/cm3) is projecting from a course and inferiored into the insinuate, not  touching the profound of the container. What earn the lamina now unravel? The blindness of insinuate is 1.0  g/cm3.      A) 140 gB) 138 g C) 120 gD) 122 g 

SHORT ANSWER. Write the tidings or peculiarity that best completes each announcement or repartees the interrogation.

70) A lot of aluminum delay a body of 1.0 kg and blindness of 2700 kg/m3 is projecting from a 70) scanty thread and then fully immersed in a container of insinuate having blindness 1000

kg/m3.

  • Determine the compass of the lot of aluminum.
  • Determine the tightness in the thread when the aluminum is immersed in the container of insinuate.

MULTIPLE CHOICE. Choose the one opinion that best completes the announcement or repartees the interrogation.

71) A cylindrical rod of prolixity 12 cm and tranindividuality 2.0 cm earn fair hardly transport in insinuate of blindness 1000    71)

kg/m3. What is its body?   A) 38 gB) 150 gC) 75 gD) 300 g

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72)A ill-conditionedwise box of negligible body measures 5.0 m covet, 1.0 m enlightened, and 0.50 m lofty. How72) frequent kilograms of body can be impeached onto the box antecedently it reduces in a lake having insinuate of  blindness 1000 kg/m3?     A) 3.5 × 103 kgB) 0.50 × 103 kgC) 2.5 × 103 kgD) 1.5 × 103 kg 73)A 1.00-m3 motive transports in insinuate delay 20.0% of its compass aloft the insinuateline. What does the73) motive search out of the insinuate? The blindness of insinuate is 1000 kg/m3.   A) 9,800 NB) 1,960 NC) 11,800 ND) 7,840 N 74)An motive transports delay half its compass adown the surcountenance of the insinuate. The moment of the dislodged74) insinuate is 2000 N. What is the moment of the motive? The blindness of insinuate is 1000 kg/m3. 

  1. 2000 N
  2. 4000 N
  3. 1000 N
  4. It cannot be steadfast owing we do not distinguish the compass of the motive.

75)A compact motive transports in insinuate delay three-fourths of its compass adown the exterior. What is the75) motive’s blindness? The blindness of insinuate is 1000 kg/m 3.    A) 1333 kg/m3B) 1000 kg/m3C) 250 kg/m3D) 750 kg/m3 76)A 200-N motive transports delay three-fourths of its compass adown the surcountenance of the insinuate. What is76) the elastic vigor on the motive? The blindness of insinuate is 1000 kg/m3.        

  1. 150 N
  2. 267 N
  3. 200 N
  4. 50 N
  5. It cannot be steadfast owing we do not distinguish the compass of the motive.

77) A polar submit-to of body 200 kg endures on an ice floe that is a even 1.0 m coagulated. What is the77)restriction area of the floe that earn fair aid the submit-to in saltinsinuate of blindness 1030 kg/m 3? The blindness of ice is 980 kg/m3.    A) 4.0 m2B) 3.0 m2C) 1.0 m2D) 2.0 m2 

SHORT ANSWER. Write the tidings or peculiarity that best completes each announcement or repartees the interrogation.

78) A groveen raft has a body of 55 kg. When void it transports in insinuate (blindness 1000 kg/m 3)78)

delay 64% of its compass obscure. What acme body of sand can be put on the raft delayout reduceing it?

MULTIPLE CHOICE. Choose the one opinion that best completes the announcement or repartees the interrogation.

79) A indentation steel circle of tranindividuality 3.0 m fair hardly transports in insinuate. What is the respect besottedness of the79)ball? (ρ   = 7.87 g/cm3,ρ = 1.00 g/cm3)   Feinsinuate    A) 6.6 cm B) 79 cmC) 131 cmD) 37 cm 

14

80)A 200-kg insipid-bottomed boat transports in unimpaired insinuate, which has a blindness of 1000 kg/m3. If the disesteemed80) of the boat is 1.42 m enlightened and 4.53 m covet, to what profundity is the profound of the boat obscure  when it carries three passengers whose wcavity body is 257 kg?    A) 7.95 cmB) 7.10 cmC) 7.53 cmD) 8.52 cm 81)A 4.7-kg compact manage, made of metal whose blindness is 4000 kg/m3, hangs by a scanty thread. When81) the manage is immersed in insinuate, what is the tightness in the thread? The blindness of insinuate is 1000  kg/m3.      A) 46 NB) 35 NC) 52 ND) 40 NE) 58 N 82)A compact manage of body 8.6 kg, made of metal whose blindness is 3400 kg/m 3, hangs by a thread. When82) the manage is immersed in a fluent of obscure blindness, the tightness in the thread is 38 N. The blindness  of the fluent is ceasest to which one of the forthcoming treasures?   

  1. 1500 kg/m3
  2. 1700 kg/m3
  3. 1400 kg/m3
  4. 1600 kg/m3
  5. 1900 kg/m3

83)A barge is 10 m enlightened and 60 m covet and has upstraight verges. The profound of the boat is 1.2 m under83) the insinuate exterior. What is the moment of the barge and its consignment, if it is transporting in unimpaired insinuate of  blindness 1000 kg/m3?      A) 3.5 MNB) 6.8 MNC) 6.4 MND) 9.5 MNE) 7.1 MN 84)A barge delay upstraight verges is 10 m enlightened and 60 m covet and is transporting in unimpaired insinuate of blindness84) 1000 kg/m3. How abundant abstruseer into the insinuate does the barge reduce when 3.0 x 105 kg of coal are  loaded on the barge?      A) 75 cmB) 50 cmC) 1.5 mD) 1.0 mE) 25 cm 85)A hot air circleoon acovet delay its consignment has a body of 4.0 x 105 kg, and it holds 7.0 x 105 m3 of hot85) air. It is transporting at a continuous elevation in air delay a blindness of 1.29 kg/m3. What is the blindness of the  hot air in the circleoon?     

  1. 86 kg/m3
  2. 4 kg/m3
  3. 57 kg/m3
  4. 43 kg/m3
  5. 72 kg/m3

86) A peculiar who searchs 550 N empties her lungs as abundant as practicable and is then fully86)

immersed in insinuate of blindness 1000 kg/m3 timeliness projecting from a fetter. Her seeming moment is now 21.2 N. What is her blindness?

  1. A) 960 kg/m3
  2. B) 1030 kg/m3
  3. C) 1040 kg/m3
  4. D) 1050 kg/m3
  5. E) 56.1 kg/m3

15

87)The bathyscaphe Trieste consists of a thin-walled but very powerful cylindrical hull, 15.2 m covet and87) 3.66 m in transection, contented delay gasooutline delay a blindness of 880 kg/m3 to find it elastic. If it is  wholly obscure in seainsinuate delay a blindness of 1025 kg/m 3 and neither promotion nor reduceing, what is  the moment of the Trieste craft?     A) 227 kNB) 527 kNC) 427 kND) 127 kNE) 327 kN 88)A cylinder, semispherical in wayward-section, is 10 m covet and 5.0 m in radius. It is fully88) obscure, delay its insipid profound verge tame and 8.0 m under the insinuate exterior, as shown in the        

figure. What is the body of the net vigor on the winding excellent surcountenance of the half-cylinder? Default elysian constraining.

  1. 0 × 106 N
  2. 0 × 106 N
  3. 5 × 106 N
  4. 5 × 106 N
  5. 0 × 106 N

89) A ill-conditionedwise groveen fill measures 10.0 cm × 4.00 cm × 2.00 cm. When the fill is placed in89)water, it transports tamely, delay its profound countenance 1.65 cm under the exterior. What is the blindness of the grove? The blindness of insinuate is 1.00 g/cm3.   A)0.606 g/cm3    B) 1.21 g/cm3    C)0.350 g/cm3    D)0.825 g/cm3    E) 1.65 g/cm3    90) Consider a very specific cavity in the profound of a tank that is 17.0 cm in tranindividuality and contented delay insinuate90)to a elevation of 90.0 cm. Find the urge at which the insinuate exits the tank through the cavity. A)17.64 m/sB) 48.3 m/sC) 44.1 m/sD) 4.20 m/s 91) Insinuate exuberant through a cylindrical pipe suddenly comes to a individuality of pipe where the transection91)decreases to 86% of its foregoing treasure. If the urge of the insinuate in the enlightenedr individuality of the pipe was 32 m/s, what is its urge in this specificer individuality if the insinuate behaves love an creative incompressible soft?     A)37 m/sB) 28 m/sC) 43 m/sD) 24 m/s 92) A ill-conditioned-examine uses a piston of 15 cm tranindividuality that stirs at 2.0 cm/s as it presses a soft through a pipe.92)What is the urge of the soft when it enters a fraction of the pipe that is 3.0 mm in transection? Bargain the soft as creative and incompressible.   A)50 cm/sB) 22 cm/sC) 6.0 cm/sD) 50 m/s 

16

93)An incompressible creative soft streams steadily through a pipe that has a modify in transection. The93) soft urge at a location where the pipe tranindividuality is 8.0 cm is 1.28 m/s. What is the soft urge at a  location where the tranindividuality has limiteded to 4.0 cm?    A) 1.3 m/sB) 0.32 m/sC) 2.6 m/sD) 0.64 m/sE) 5.1 m/s 94)Fluid streams at 2.0 m/s through a pipe of tranindividuality 3.0 cm. What is the compass stream reprove of the soft?94) A) 14 m3/s  B) 57 m3/s   C) 1.4 × 10-3 m3/s D) 5.7 × 10-3 m3/s  95)Ideal incompressible soft streams through a 4.0-cm-tranindividuality pipe at 1.0 m/s. There is a 2.0 cm95) tranindividuality constriction in the outline. What is the urge of the soft in this constriction?  A) 2.0 m/sB) 0.50 m/sC) 4.0 m/sD) 0.25 m/s 96)Water, which we can bargain as creative and incompressible, streams at 12 m/s in a tame pipe delay a96) constraining of 3.0 × 104 Pa. If the pipe enlightenedns to twice its ancient radius, what is the constraining in the  roam individuality?      A) 9.8 × 104 PaB) 4.9 × 104 PaC) 3.0 × 104 PaD) 7.4 × 104 Pa 97)A cavity of radius 1.0 mm forms in the profound of a very enlightened insinuate storage tank that holds insinuate to97) a profundity of 15 m. At what compass reprove earn insinuate stream out of the cavity?   A) 5.4 × 10–6 m3/s  B) 5.4 × 10–5 m3/s   C) 5.4 × 10–4 m3/s D) 5.4 × 10–7 m3/s  98)Ideal incompressible insinuate streams through a tame pipe of wayward-sectional area 10.0 cm2 at a98) constraining of 0.250 atm delay a compass stream reprove of 1.00 × 10–3 m3/s. At a valve, the talented  cross-sectional area of the pipe is abated to 5.00 cm 2. What is the constraining at the valve?  A) 0.112 atmB) 0.157 atmC) 0.235 atmD) 0.200 atm 99)For a actual enduring, the build-up of fatty edifice on the respect of an artery has decreased the arterial99) radius by 10%. By how abundant would the constraining granted by the nature accept to be growthd to  maintain a continuous compass of respect stream? Model the respect as an creative incompressible soft.  A) 46%B) 52%C) 48%D) 54% 

SHORT ANSWER. Write the tidings or peculiarity that best completes each announcement or repartees the interrogation.

100) An creative incompressible soft streams at 0.252 m/s through a 44-mm tranindividuality cylindrical100)

pipe. The pipe enlightenedns to a square wayward individualityal area that is 5.5 cm on a verge. Assume fixed stream throughout the manage.

(a) What is the urge of the soft through the adharmonious individuality of pipe?

(b) What is the stream reprove in liters per specific?

MULTIPLE CHOICE. Choose the one opinion that best completes the announcement or repartees the interrogation.

101) Creative incompressible insinuate is exuberant in a drainage implement of ill-conditionedwise wayward-section. At one101)point, the width of the implement is 12 m, the profundity of insinuate is 6.0 m, and the urge of the stream is 2.5 m/s. At a motive downstream, the width has limiteded to 9.0 m, and the profundity of insinuate is 8.0 m. What is the urge of the stream at the succor motive?   A) 4.0 m/sB) 3.5 m/sC) 3.0 m/sD) 2.0 m/sE) 2.5 m/s       

17

102)Water is exuberant in a drainage implement of ill-conditionedwise wayward-section. The width of the implement is 15102) m, the profundity of insinuate is 8.0 m, and the urge of the stream is 2.5 m/s. What is the body stream reprove of  the insinuate? The blindness of insinuate is 1000 kg/m3.    A) 3.0 × 105 kg/s      B) 3.0 × 103 kg/s      C) 2.0 × 103 kg/s      D) 3.0 × 102 kg/s      E) 2.0 × 105 kg/s     103)In a individuality of tame pipe delay a tranindividuality of 3.0 cm, the constraining is 100 kPa and insinuate is103) exuberant delay a urge of 1.5 m/s. The pipe limiteds to 2.0 cm. What is the constraining in the limiteder  region? Bargain the insinuate as an creative incompressible soft.    A) 95 kPaB) 230 kPaC) 48 kPaD) 44 kPaE) 67 kPa 104)Water streams through a tame pipe of wayward-sectional area 10.0 cm2 at a constraining of 0.250 atm104) delay a stream reprove is 1.00 L/s. At a valve, the talented wayward-sectional area of the pipe is abated to  5.00 cm2. What is the constraining at the valve? The blindness of insinuate is 1000 kg/m 3, and bargain it as an  creative incompressible soft.     A) 0.200 atmB) 7700 PaC) 0.157 atmD) 0.235 atmE) 0.110 atm 105)An creative incompressible soft streams at 12 m/s in a tame pipe. If the pipe enlightenedns to twice its105) ancient radius, what is the stream urge in the enlightenedr individuality?    A) 6.0 m/sB) 12 m/sC) 3.0 m/s D) 4.0 m/s 106)Water streams out of a enlightened reservoir through an dissecretive pipe, as shown in the symbol. What is the urge106) of the insinuate as it comes out of the pipe?    

A) 16 m/sB) 13 m/sC) 14 m/sD) 9.9 m/sE) 8.9 m/s 107) Insinuate streams out of a enlightened reservoir through 5.0-cm tranindividuality pipe. The pipe connects to a 3.0-cm107)tranindividuality pipe that is dissecretive to the weather, as shown in the symbol. What is the urge of the insinuate in the 5.0-cm pipe? Bargain the insinuate as an creative incompressible soft.  

  1. A) 2.3 m/s B) 8.9 m/s C) 3.2 m/s                    D) 10 m/s                      E) 3.9 m/s

18

108) A pressurized cylindrical tank, 5.0 m in transection, contains insinuate that emerges from the pipe at108)

motive C delay a urge of 13 m/s as shown in the symbol. Motive A is 10 m aloft motive B and motive C is 3.0 m aloft motive B. The area of the pipe at motive B is 0.080 m 2 and the pipe limiteds to an area of

0.040 m2 at motive C. Assume that the insinuate is an creative soft in laminar stream. The blindness of insinuate is

1000 kg/m3 The body stream reprove in the pipe is ceasest to

A) 310 Kg/s.B) 520 Kg/s.C) 470 Kg/s.D) 420 Kg/s.E) 360 Kg/s. 109) A pressurized cylindrical tank, 5.0 m in transection, contains insinuate that emerges from the pipe at109)

motive C delay a urge of 84 m/s, as shown in the symbol. Motive A is 10 m aloft motive B and motive C is 3.0 m aloft motive B. The area of the pipe at motive B is 0.080 m 2 and the pipe limiteds to an area of

0.070 m2 at motive C. Assume that the insinuate is an creative soft in laminar stream. The blindness of insinuate is

3

  1. A) 210 mm/s. B) 250 mm/s. C) 340 mm/s.              D) 160 mm/s.               E) 300 mm/s.

SHORT ANSWER. Write the tidings or peculiarity that best completes each announcement or repartees the interrogation.

110) As shown in the symbol, insinuate (blindness 1000 kg/m3) is exuberant in a pipeline. At motive 1 the110)

insinuate urge is 5.90 m/s. Motive 2 is 5.20 m aloft motive 1. The wayward -sectional area of the pipe is 0.0800 m2 at motive 1 and 0.0200 m2 at motive 2. What is the constraining variety p1 – p2 among motives 1 and 2? Bargain the insinuate as an creative incompressible soft.

5.20 m

19

111) A enlightened cylindrical insinuate tank 11.5 m in tranindividuality and 13.5 m lofty is attended delay its disesteemed    111)

8.75 m aloft the gglobular by a endure as shown in the symbol. The insinuate smooth in the tank is

10.6 m abstruse, and the blindness of the insinuate in the tank is 1.00 g/cm3. A very specific cavity is formed at the disesteemed of the upstraight respect of the tank, and insinuate is squirting out of this cavity tamely. When this insinuate hits the reason, how far has it traveled tamely from the cavity, assuming no air opposition?

MULTIPLE CHOICE. Choose the one opinion that best completes the announcement or repartees the interrogation.

112)Glycerin, delay a viscosity of 1.5 N · s/m2, is exuberant delay an middle urge of 1.2 m/s through a112) tube that has a radius of 5.0 mm and is 25 cm covet. What is the emanate in constraining aggravate the prolixity of  this pipe?      A) 72 kPaB) 46 kPaC) 130 kPaD) 76 kPaE) 140 kPa 113)Motor oil, delay a viscosity of 0.25 N · s/m2, is exuberant through a tube that has a radius of 3.0 mm113) and is 1.0 m covet. The emanate in constraining aggravate the prolixity of the tube is 200 kPa. What is the middle  urge of the oil?      A) 1.2 m/sB) 0.90 m/sC) 1.1 m/sD) 0.80 m/sE) 1.0 m/s 114)Motor oil, delay a viscosity of 0.25 N · s/m2, is exuberant through a tube that has a radius of 5.0 mm114) and is 25 cm covet. The emanate in constraining is 300 kPa. What is the compass of oil exuberant through the  tube per succor?     

  1. 025 m3/s
  2. 0012 m3/s
  3. 7 m3/s
  4. 00038 m3/s
  5. 5 m3/s

20

115) A soft is exuberant delay an middle urge of 1.5 m/s through a tube that has a radius of 2.0 mm and 115) is 18 cm covet. The emanate in constraining is 967 Pa. What is the viscosity of the soft?

  1. 0018 N · s/m2
  2. 028 N · s/m2
  3. 0056 N · s/m2
  4. 0034 N · s/m2
  5. 013 N · s/m2

21

Answer Key

Testname: UNTITLED1

  • D
  • B
  • C
  • D
  • E
  • E
  • C
  • A
  • A
  • C
  • B, D
  • A, C
  • D
  • A
  • D
  • B
  • C
  • C
  • A
  • B
  • C
  • C
  • A
  • B
  • B
  • C
  • A
  • B
  • E
  • D
  • D
  • D
  • A
  • E
  • E
  • B
  • D
  • E
  • A
  • A
  • C
  • C
  • A
  • A
  • A
  • A
  • B
  • B
  • B
  • D

22

Answer Key

Testname: UNTITLED1

  • C
  • C
  • E
  • 13 m
  • 6 kg
  • C
  • C
  • C
  • D
  • A
  • (a) 600 N (b) 1.2 × 105 Pa
  • C
  • D
  • A
  • E
  • C
  • C
  • A
  • D

70) (a) 3.7 × 10–4 m3     (b) 6.2 N

  • A
  • C
  • D
  • A
  • D
  • C
  • A
  • 31 kg
  • A
  • B
  • B
  • E
  • E
  • B
  • E
  • C
  • A
  • A
  • D
  • D
  • C
  • D
  • E
  • C
  • C
  • A
  • B
  • C
  • B

23

Answer Key

Testname: UNTITLED1

100) (a) 0.13 m/s     (b) 23 L/min

  • E
  • A
  • A
  • D
  • C
  • B
  • C
  • B
  • E
  • 12 × 105 Pa
  • 3 m
  • E
  • B
  • B
  • A