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Question

Physics Question on laws of motion

Which of the following is not an example of perfectly inelastic collision?

A

A bullet fired into a block, if bullet gets embedded into block

B

Capture of an electron by an atom

C

A man jumping onto a moving boat

D

A ball bearing striking another ball bearing

Answer

A ball bearing striking another ball bearing

Explanation

Solution

In ball bearing striking another ball bearing momentum of the balls system is conserved. Therefore it is not an example of perfectly inelastic collision.