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An athlete swings a ball, connected to the end of a chain, in a horizontal circle. the athlete is able to rotate the ball at the rate of 8.13 rev/s when the length of the chain is 0.600 m. when he increases the length to 0.900 m, he is able to rotate the ball only 6.04 rev/s. (a) which rate of rotation gives the greater speed for the ball? 6.04 rev/s 8.13 rev/s (b) what is the centripetal acceleration of the ball at 8.13 rev/s? m/s2 (c) what is the centripetal acceleration at 6.04 rev/s? m/s2
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Why does an object have a different weight o the moon than it does on earth
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Which research method uses information that governments, businesses, and educational institutions have already made available for public use? survey correlational research cross-cultural research secondary analysis
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A man is standing on the shore of a beach, up to his knees in water. Every 5.9 seconds a wave breaks...
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