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Physics, 07.07.2019 04:30 brianna4357
5. a beach ball of mass 500grams falls from a height of 4m and hits the ground with a speed of 5m/sec. a). what is the work done on the ball by air resistance? b). what is the average force of the air resistance?
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5. a beach ball of mass 500grams falls from a height of 4m and hits the ground with a speed of 5m/se...
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