a 2 kg ball moving straight down strikes the floor at 8 m s it rebounds upward at 6 4141113
A 2-kg ball moving straight down strikes the floor at 8 m/s. It rebounds upward at 6 m/s, What is the magnitude of the change in momentum of the ball?(A) 2 kg· m/s                                  (B) 4 kg' m/s(C) 14 kg· m/s                                (D) 28 kg' m/s
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