Question

A 2 kg ball moving straight down strikes the floor at &
caight down strikes the floor at 8 m/s. It rebounds upwards at 6 ms. the
magnitude of change in momentum is
(A) 28 kg m/s
(B) 4 kg m/s
(D) 14 kg m/s
(C) 2 kg m/s
​

Answer 1

option B is Correct..