Question

A volleyball is spiked so that its incoming velocity of +3.6 m/s is changed to an outgoing velocity of -16 m/s. The mass of the volleyball is 0.27 kg. What impulse does the player apply to the ball?

Answer will be in kg*m/s

Answer 1

Impulse=mv(final)-mv(initial)
impulse(kgm/s)=.27(-16)-.27(3.6)

Answer 2

outgoing is the initial velocity and incoming is final velocity though