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physics

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a 1300 newton crate slides 14 meters down a ramp that makes an angle of 30 degree with the horizontal. if the crate slides at a constant speed, how much thermal energy is created?

  • physics - ,

    All of the potential energy lost is converted to heat, since the kinetic energy does not change.

    The potential energy loss is
    (Weight)x(Change in Height)
    = 1300 N * 14 m sin 30 = __?_ Joules

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