A feather falls at constant velocity a vertical distance of 123.8 m. If the mass of the feather is 39.04 g then(a) how much is done by gravity, and (b) air resistance?
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A feather falls at constant velocity a vertical distance of 123.8 m. If the mass of the feather is 39.04 g then(a) how much is done by gravity, and (b) air resistance?
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