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Posted by on Thursday, July 31, 2014 at 6:09pm.

A girl lifts her 20-kg knapsack a vertical distance of 0.70 m and then she carries it 2510 m across the park to the water fountain. The value of the work done by the girl is __________ J.

  • physics - , Thursday, July 31, 2014 at 6:19pm

    20 * 9.81 * .7

    no work is done carrying. Force is not in direction of motion

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