The cars of a long coal train are filled by pulling them under a hopper, from which
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The cars of a long coal train are filled by pulling them under a hopper, from which coal falls into the cars at a rate of 10,000 kg/s. Ignoring friction due to the rails, what is the aver- age force that the engine must exert on the coal train to keep it moving under the hopper at a speed of 0.50 m/s?
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Related Book For
College Physics A Strategic Approach
ISBN: 9780321595492
2nd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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