A 20.0 kg curling stone travels 30.0 m along the ice surface. If the frictional force is 10.0 N, the thermal energy produced is
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We can use the formula: work = force x distance x cos(theta) where theta is the angle between the force and the displacement. In this case, the force and the displacement are in opposite directions, so theta is 180 degrees and cos(theta) is -1. Show more…
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