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22 May, 15:44

What is the kinetic energy of a 400kg house that is racing around a track at 17 meters per second?

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  1. 22 May, 16:11
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    Kinetic energy = (1/2) (mass) (speed squared)

    Kinetic energy = (1/2) (400 kg) (17 m/s) ²

    Kinetic energy = (1/2) (400 kg) (289 m²/s²)

    Kinetic energy = 57,800 Joules

    (That's some amazing house. I'd like to be there to see it.)
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