3. A professional golf player uses a force of 272 N to hit a 46.0 g-ball off the tee, giving it a velocity of 87.0 m/s a) What impulse was given to the ball? a) 2 marks b) How long was the golf club in contact with the ball? b ) 2 marks 4. A squash ball of mass 0.035 kg hits the wall at speed of 78 m/s and rebounds straight back at 61 m/s. The ball is in contact with the wall for 0.44 s. a) What is the original momentum of the squash ball? a) 2 marks b) Calculate the impulse imparted to the ball by the wall. b ) 2 marks c) What force acted on the squash ball from its impact? C ) 2 marks Page 3 of 13