a person slaps her leg with her hand, bringing her hand to rest in 2.13 milliseconds from an initial speed of 3.02 m/s. (a) what is the average force (in n) exerted on the leg, taking the effective mass of the hand and forearm to be 1.56 kg? (assume the positive direction to be toward the leg. indicate the direction with the sign of your answer.) n (b) would the force be any different if the woman clapped her hands together at the same speed and brought them to rest in the same time? explain why or why not.