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14 April, 03:36

Marissa drags a 23 kg duffel bag 18 m across the gym floor. if the coefficient of kinetic friction between the floor and bag is 0.15, how much thermal energy does marissa create?

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  1. 14 April, 04:44
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    The answer for this question is computed by:

    The work done by friction would be equal to the thermal energy.

    23 * 9.8 = 225.4 N

    225.4 *.15 = 33.81 N is the Force of friction

    33.81 * 18 = 608.58 J of work done by friction is now also 608.58 J of thermal energy.
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