The driver serve in racquetball is similar to a fastball in baseball - the serve

Question

The driver serve in racquetball is similar to a fastball in baseball - the server (pitcher) wants to hit (throw) the ball as fast as possible so that the receiver (batter) does not have time to hit it. The player begins his drive serve from the rear of the service zone and steps forward across the full width of the service zone (in the direction of the serve) before the ball is struck by the racquet. This long step during the service action is beneficial because:

a) more velocity is gained by the raquet since force applied through a longer distance and time

b) the long step gives the racquet a larger moment of inertia when it strokes the ball thus transferring more momentum to the ball

c) the long step increases the time of contact between the racquet and the ball

d) the long step decreases the force applied to the racquet

e) the long step is not beneficial to the performance

Explanation / Answer

a) more velocity is gained by the raquet since force applied through a longer distance and time

when the force is applied through longer distance and time , the momentum gained is larger, and hence the velocity is larger

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