ch03 -...

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  MULTIPLE CHOICE.  Choose the one alternative that best completes the statement or answers the question.  1) 
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Which of the  following  has the  largest  momentum  relative to  the Earth? 
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1)  _______  A)  a   p i c k u p   t r uc spe edi ng  alo ng  hig hw ay  d o g running  down the  street 
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a Mack truck parked in  a parking lot  D) 
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the Science building on  campus  E) 
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a tightrope walker  crossing Niagara Falls    2) 
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A freight  train rolls  along a track  with  considerable  momentum.  If it rolls at  the same  speed but  has twice as  much mass,  its  momentum  is 
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2)  _______  A) 
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doubled. 
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B)  quadrup led. 
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zero. 
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D)  unchang ed.    3
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A moving  object on  which no  forces are  acting will  continue to  move with  constant 
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3)  _______  A)  a c c ele rati on.  m o mentum. 
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impulse.  D) 
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all of these  E) 
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none of these    4) 
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Two objects,  A and B,  have the  same size  and shape,  but A is  twice as  heavy as B.  When they  are dropped  simultaneous ly from a  tower, they  reach the  ground at  the same  time, but A  has greater 
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4)  _______  A)  m o m ent um s peed. 
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acceleration.  D) 
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all of these  E) 
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none of these    5) 
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A heavy  truck and a  small truck  roll down a  hill.  Neglecting  friction, at  the bottom  of the hill,  the heavy  truck will  have greater 
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5)  _______  A)  a c c ele rati on.  s peed. 
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momentum.  D) 
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all of these  E) 
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none of these    6) 
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A 4 - kg ball  has a  momentum  of 12  kg m/s.  What is the  ball's speed? 
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6)  _______  A)  3   m/ 4  m/s 
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12 m/s  D) 
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This note was uploaded on 02/11/2011 for the course PS 300 taught by Professor Na during the Spring '11 term at Cornell.

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ch03 -...

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