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27 Nov 2019
Two balls having different masses reach the same height when shotinto the air from the ground.
If there is no air drag, which of the following statements must betrue? (More than one statement may be true.)A. Both balls left theground with the same speed.
B. Both balls left the ground with the same kinetic energy.
C. Both balls will have the same gravitational potential energy atthe highest point.
D. The heavier ball must have left the ground with a greater speedthan the lighter ball.
E. Both balls have no acceleration at their highest point.
A
A, E
B
B, D
C
Two balls having different masses reach the same height when shotinto the air from the ground.
If there is no air drag, which of the following statements must betrue? (More than one statement may be true.)A. Both balls left theground with the same speed.
B. Both balls left the ground with the same kinetic energy.
C. Both balls will have the same gravitational potential energy atthe highest point.
D. The heavier ball must have left the ground with a greater speedthan the lighter ball.
E. Both balls have no acceleration at their highest point.
A
A, E
B
B, D
C
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answer
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Deanna HettingerLv2
22 Feb 2019