Physics - Kinematics Question with Solution | TestHub
PhysicsKinematicsMiscellaneousMedium2 minQB
PhysicsMediumsingle choice
A perfectly elastic ball is dropped repeatedly on a hard floor and rises back to the same height each time. Taking the downward direction as positive, its velocity-time graph is:
Options:
Answer:
B
Solution:
With downward positive the acceleration is constant, so the graph has a constant positive slope; at each elastic bounce the velocity flips from to instantly. That is a sawtooth. Option B.
Stream:JEESubject:PhysicsTopic:KinematicsSubtopic:Miscellaneous
⏱ 2mℹ️ Source: QB
Doubts & Discussion
Loading discussions...
