If the momentum of a ball is doubled, then the kinetic energy is
A) 0.5 times larger.
B) 2 times larger.
C) 3 times larger.
D) 4 times larger.
E) 5 times larger.

Question

Quizplus · Accepted Answer

The kinetic energy (KE) is proportional to the square of the momentum (p) when mass (m) is constant. If momentum is doubled (2p), the kinetic energy becomes 4 times larger because (2p)^2 = 4p^2.

If the Momentum of a Ball Is Doubled, Then the Kinetic