An 80-Kg Football Player Travels to the Right at 8

Multiple Choice

An 80-kg football player travels to the right at 8 m/s and a 120-kg player on the opposite team travels to the left at 4.0 m/s. The total momentum is

A) 240 kg m/s to the left.
B) 160 kg m/s to the right.
C) zero.
D) 160 kg m/s to the left.
E) 1120 kg m/s to the right.