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19 August, 13:28

What is the kinetic energy of an object that has a mass of 50.0 kg and a velocity of 18 m/s? A. 450 J B. 900 J C. 8,100 J D. 16,000 J

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  1. 19 August, 14:13
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    KE = (1/2) · (mass) · (speed) ²

    KE = (1/2) · (50 kg) · (18 m/s) ²

    KE = (25 kg) · (324 m²/s²)

    KE = 8,100 kg-m²/s²

    KE = 8,100 Joules
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