Linear Momentum (AP (Advanced Placement) Physics(BC)): Questions 1  4 of 66
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Question number: 1
» Linear Momentum
Question
Two skaters stand face to face on the ice. Skater has a mass of , and skater 2 has a mass of . They push off one another and move in opposite directions. What is the ratio of skater 1’s speed to skater 2’s speed?
Choices
Choice (5)  Response  

a. 


b. 


c. 


d. 


e.  None of the above 

Question number: 2
» Linear Momentum
Question
In the laboratory, a cart moving to the right on a track at collides totally inelastically with a cart moving to the left at . Determine the loss to thermal energy during this collision.
Choices
Choice (5)  Response  

a. 


b. 


c. 


d. 


e.  All of the above 

Question number: 3
» Linear Momentum
Question
A cart rolls across a level floor with speed and strikes a wall elastically. In a second trial, the cart strikes the wall at . Assuming that the contact time between the cart and the wall is the same in both cases. The force the cart exerts on the wall in the second trial is ________the force in the first trial.
Choices
Choice (5)  Response  

a.  Twice as much 

b.  The same as 

c.  Four times as much 

d.  Half as much 

e.  All of the above 

Question number: 4
» Linear Momentum
Question
A rubber ball drops from a height of onto a concrete floor and rebounds to a height of . What is the coefficient of restitution between the ball and the floor?
Choices
Choice (5)  Response  

a.  0.90 

b.  0.25 

c.  0.50 

d.  0.70 

e.  All of the above 
