Asked by britches

5. An object that has kinetic energy must have
A) momentum.
B) acceleration.
C) a force applied to it.
D) All of these.
E) None of these.

13 years ago

Answered by mitziee

a force applied to it

13 years ago

Answered by Steve

I believe that (A) is the answer.
If a force is applied, it has acceleration: F=ma

But K.E. = 1/2 mv^2. So, as long as it has mass and velocity, it has KE.

13 years ago

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