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1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?
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Which best describes the difference between internal and thermal energy?
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When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?
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What the initial vertical velocity...
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