A stone is thrown with an initial velocity of 20 meters per second straight upward from the edge of a cliff 100. meters above a canyon floor. The stone just misses the cliff’s edge on its way down. [Neglect friction.]
Calculate the velocity of the stone 6.0 seconds after it is thrown.
Calculate the position of the stone 6.0 seconds after it is thrown.
Answers: 3
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Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?
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