When comparing the momentum of two moving objects, which of the following is correct?
a. the object with the higher velocity will have less momentum if the masses are
equal.
b. the more massive object will have less momentum if its velocity is greater.
c. the less massive object will have less momentum if the velocities are the same.
d. the more massive object will have less momentum if the velocities are the same.

c. The less massive object will have less momentum if the velocities are the same.  

Explanation:

p = mv

If the velocities are the same, p ∝ m, so the less massive object will have less momentum.

a. is wrong. If the masses are equal, p ∝ v, so the object with the higher velocity will have the greater momentum.

b. is wrong. If an object has both more mass and a greater velocity, it will have the greater momentum.

d. is wrong. If the velocities are the same, the more massive object will have more momentum.