A light and a heavy object have the same momentum. Find out the ratio of their kinetic energies. Which one has a larger kinetic energy?
(KE)1 = 1/2 m1 (υ1)2 = 1/2 (m1 υ1))υ1 = 1/2 (p1)υ1
(KE)sub>2 = 1/2 m2 (υ2/sub>))2 = 1/2 (m2 υ2)υ2 = 1/2 (p2)υ2
But υ1 > υ2 Therefore (KE)1 > (KE)2
