The change in momentum that occurs when a 1.0 kg ball traveling at 4.0 m/s strikes a wall and bounces back at 2.0 m/s is
A. 2 kg m/s.
B. 4 kg m/s.
C. 6 kg m/s.
D. 8 kg m/s.
Answer:C
The change in momentum that occurs when a 1.0 kg ball traveling at 4.0 m/s strikes a wall and bounces back at 2.0 m/s is
A. 2 kg m/s. B. 4 kg m/s. C. 6 kg m/s. D. 8 kg m/s.