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. 1120 kg m/s to the right.
E. 160 kg m/s to the left.
Answer: B
Physics & Space Science
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