. A ball moving horizontally with speed v strikes the bob of a simple pendulum at rest
The mass of the bob is equal to that of the ball. If the collision is elastic the bob will rise to a height
A. V2/g
B. v2/2g
C. v2/4g
D. v2/8g
Best Answer
Ans: B
Sol: Total kinetic energy of the ball will transfer to the bob of simple pendulum. Let it rises to height ‘h’ by the law of conservation of energy.
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