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How much work is done when a hoist lifts a 290-kg rock to a height of 7 m?
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Abug is 12 cm from the center of a turntable that is rotating with a frequency of 45 rev/min . what minimum coefficient friction is required so that the bug stays on the turntable?
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Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.
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The velocity of sound wave in air at 35°c is 353m/s, calculate the velocity of sound at 46°c
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How much work is done when a hoist lifts a 290-kg rock to a height of 7 m?...
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