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Question: Answered & Verified by Expert
A ball is dropped vertically from heigth $\mathrm{h}$ and is bouncing elastically on the floor (see figure). Which of the following plots best depicts the acceleration of the ball as a function of time.
PhysicsCenter of Mass Momentum and CollisionKVPYKVPY 2017 (5 Nov SA)
Options:
  • A
  • B
  • C
  • D
Solution:
2777 Upvotes Verified Answer
The correct answer is:
Acceleration is all the time $(-\mathrm{g})$ except at the time of collision it is impulsive force in (+)ve decrease.

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