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What is the efficiency of a pulley that can lift a 250N treasure chest 13 m when 150 N of force is used to pull the rope 25 m???
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Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?
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Why don't you see your reflection in water with waves or repples
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An automobile steering wheel is shown. what is the ideal mechanical advantage? if the ama is 8, what is the efficiency of the steering wheel?
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What is the efficiency of a pulley that can lift a 250N treasure chest 13 m when 150 N of force is u...
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