Suppose the force acting on a tennis ball (mass 0.075 kg) points in the +x direction and is given by the graph below as a function of time. (a) Use a graphical method to estimate the total impulse given the ball. (b) Use a graphical method to estimate the velocity of the ball after being struck, assuming the ball is being served so it is nearly at rest initially.

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anonymous · Answer

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anonymous · Answer

I got it. 
(a).   5.3 Newton-seconds
(b).   70.67 meters per second