Two bodies, A and B, have equal kinetic energies.The mass of A is nine times that of B.The ratio of the momentum of A to that of B is:
A)1:9
B)1:3
C)1:1
D)3:1
E)9:1

Name: Two bodies, A and B, have equal kinetic energies.The mass of A is nine times that of B.The ratio of the momentum of A to that of B is: A)1:9 B)1:3 C)1:1 D)3:1 E)9:1
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Question

Quizplus · Accepted Answer

Since kinetic energy is equal, and mass of A is nine times that of B, the velocity of B is three times that of A. Therefore, the momentum of A is three times that of B.

Two Bodies, a and B, Have Equal Kinetic Energies