A football punter accelerates a 0.43 kg football from rest to a speed of 8.5 m/s in 0.30 s, what constant force does the punter exert on the ball?

Answer 1

impulse = change of momentum = m (v final - v i ) = 0.43 x (8.5-0 )

impulse = F t

F = impulse / t = ...