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A 0.45 kg volleyball is traveling toward you with a horizontal velocity of 3.6 m/s over...

A 0.45 kg volleyball is traveling toward you with a horizontal velocity of 3.6 m/s over the net. You jump up and hit it back with a horizontal velocity of 7.0 m/s. If the contact time is 0.400s, what is the impulse and average force on the ball?

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