Physics, 24.12.2019 19:31 tookie6208
A0.280-kg volleyball approaches a player horizontally with a speed of 15.0 m/s. the player strikes the ball with her fist and causes the ball to move in the opposite direction with a speed of 22.0 m/s.
(a) what impulse is delivered to the ball by the player?
(b) if the player’s fist is in contact with the ball for 0.060 0 s, find the magnitude of the average force exerted on the player’s fist.
Answers: 2
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Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.
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If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.
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A0.280-kg volleyball approaches a player horizontally with a speed of 15.0 m/s. the player strikes t...
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