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A body moving towards a body of finite mass at rest collides with it. It is possible that

a)

Both bodies come to rest

b)

Both bodies move after collision

c)

The moving body stops and the body at rest starts moving

d)

The stationary body remains stationary and the moving body rebounds



Question ID - 100605 | SaraNextGen Top Answer

A body moving towards a body of finite mass at rest collides with it. It is possible that

a)

Both bodies come to rest

b)

Both bodies move after collision

c)

The moving body stops and the body at rest starts moving

d)

The stationary body remains stationary and the moving body rebounds

1 Answer
127 votes
Answer Key / Explanation : (b,c) -

(b,c)

When the second body is at rest, velocities after the elastic collision are given by

It is obvious that both bodies move after the collision. If then and  Further,  cannot be zero. So, options (b) and (c) are correct

127 votes


127