Two objects have the same momentum. Which of the following is true?
I. The masses of the objects are equal
II. The speeds of the objects are equal
III. The velocities of the objects are equal
IV. The direction of motion of each object is the same.
a)II and III
b) Ⅳonly
c) II only
d) I and II
e) I only
f) II and IV
g) III only