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Physics, 05.11.2019 20:31 serenitynycole

Arailroad car moves under a grain elevator at a constant speed of 3.20 m/s. grain drops into the car at the rate of 240 kg/min. what is the magnitude of the force needed to keep the car moving constant speed if friction is negligible?

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Arailroad car moves under a grain elevator at a constant speed of 3.20 m/s. grain drops into the car...

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