Complete the Following Statement: Momentum Will Be Conserved in a Two-Body

Multiple Choice

Complete the following statement: Momentum will be conserved in a two-body collision only if

A) both bodies come to rest.
B) the collision is perfectly elastic.
C) the kinetic energy of the system is conserved.
D) the net external force acting on the two-body system is zero.
E) the internal forces of the two body system cancel in action-reaction pairs.