The following are multiple choice questions. No explanations required. Choose the correct answer g) Two balls are dropped from the same height. Both balls bounce (perfectly elastic) when they hit the ground. Ball A has half the mass of ball B. Which ball has a greater speed after the bounce? h) Two balls are thrown from the same initial height above the ground. Ball A is thrown straight down. Ball B is thrown straight up. Both balls have the same initial speed. Which ball has the larger speed when it hits the ground? i) Two identical balls roll down a frictionless track. The tracks are the same height from top to bottom. Track A is straight and track B is curved. If both balls are released from rest, which ball reaches the bottom with the larger speed? j) You see two identical freight trucks driving down the highway. In both cases, the trailer is bouncing up and down on its springs. Truck A is heavier than truck B. Which truck bounces with a higher frequency?

Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter9: Linear Momentum And Collisions
Section: Chapter Questions
Problem 37AP: Review. A 60.0-kg person running at an initial speed of 4.00 m/s jumps onto a 120-kg cart initially...
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The following are multiple choice questions. No explanations required.
Choose the correct answer 

 

g) Two balls are dropped from the same height. Both balls bounce (perfectly elastic) when they hit the
ground. Ball A has half the mass of ball B. Which ball has a greater speed after the bounce?
h) Two balls are thrown from the same initial height above the ground. Ball A is thrown straight down.
Ball B is thrown straight up. Both balls have the same initial speed. Which ball has the larger speed
when it hits the ground?
i) Two identical balls roll down a frictionless track. The tracks are the same height from top to bottom.
Track A is straight and track B is curved. If both balls are released from rest, which ball reaches the
bottom with the larger speed?
j) You see two identical freight trucks driving down the highway. In both cases, the trailer is bouncing up
and down on its springs. Truck A is heavier than truck B. Which truck bounces with a higher frequency?
 
 

 

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