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16 October, 04:19

18. What is the kinetic energy of an object that has a mass of 30 kilograms and moves with a velocity of 20 m/s? A. 6,000 J B. 5,880 J C. 2,940 J D. 12,000 J

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  1. 16 October, 06:00
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    Kinetic energy is defined

    KE = 1/2 * m * v^2

    Let's put in the numbers

    KE = 1/2 * 30 * 20^2 = 6000

    Therefore, the answer is a) 6000 J
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