Atennis player receives a shot with the ball (0.0600 kg) traveling horizontally at 50.4 m/s and returns the shot with the ball traveling horizontally at 37.0 m/s in the opposite direction. (take the direction of the ball's final velocity (toward the net) to be the +x-direction.) (a) what is the impulse delivered to the ball by the racket? magnitude 5.244 correct: your answer is correct. n · s direction correct: your answer is correct. (b) what work does the racket do on the ball? (indicate the direction with the sign of your answer.)