Homework 3 – 5
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5
The force by a vertical racquet on a tennis ball of mass 60.0 g points in the horizontal direction (x) and is
given by the graph shown below as a function of time.
(a) Estimate the total impulse on the ball.
(b) Estimate the velocity of the ball after being struck, assuming the ball is
(-) being served, so it is nearly at rest initially.
(-) moving perpendicularly toward the racquet at 10.0 m/s.
(-) moving at 10.0 m/s and hitting the racquet at an angle of 45.0
.
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