Question

A ball of mass m moving with velocity v strikes the bob of a pendulum at rest. The mass of the bob is also
If the collision is elastic, the height to which the bob will rise will be?
please answer it correctly ​

Answer 1

Answer:

$.$

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Answer 2

Answer:

2

V

8g

Explanation:

From conservation of linear momentum before and after the collision,

mv=(m+m)v′

⟹v′ = v/2

All the initial kinetic energy gets converted to gravitational potential energy at the maximum height.

Thus, 1 (2m) v′2 =(2m)gh

2

⟹h = v2

8g

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