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.
2 answers
a force applied to it
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.
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.