Question

which of the following is not a perfectly in elastic collision ?
a) capture of an electron by proton
b) man jumping on to a moving cart
c) collision between glass balls
d) a bullet fired into a block of wood such that it is embedded in the wood

Answer 1

Answer: c) Collision between glass balls

Explanation:

In collision between rigid bodies, it is never possible that both of them will form a combined system and move with common velocity.