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20 November, 13:26

The coefficient of kinetic friction between a suitcase and the floor is 0.272. You may want to review (Pages 196 - 203). Part A If the suitcase has a mass of 80.0 kg, how far can it be pushed across the level floor with 660 J of work

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  1. 20 November, 15:57
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    The work required to push will be equal to work done by friction. Let d be the displacement required.

    force of friction = mg x μ where m is mass of the suitcase, μ be the coefficient of friction

    work done by force of friction

    mg x μ x d = 660

    80 x 9.8 x. 272 x d = 660

    d = 3.1 m.
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