Question

A light and a heavy body have equal kinetic energy. Which one has a greater momentum?

• A. The light body
• B. The heavy body
• C. Both have equal momentum
• D. It is not possible to say anything without additional information

Answer 1

Answer: (B)

The heavy body

Answer 2

$P = \sqrt { 2 m E }$ if E are equal then$P \propto \sqrt { m }$

i.e. heavier body will possess greater momentum.