physics

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A 0.125 kg cart rolls along a metal track with a kinetic energy of 0.25 J. How high up an inclined metal track will the cart roll?

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    Until it reaches a height h such that
    m g h = 0.25 J

    h = 0.25/(0.125*9.8) = 0.204 m
    = 20.4 cm

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