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17 May, 08:45

Ella jogs down the street with a speed of 12 m/s. What is her kinetic energy if her mass is 58 kg?

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  1. 17 May, 11:28
    0
    4176 J

    Explanation:

    Ella speed (V) = 12 m/s, Mass = 58 kg.

    Kinetic energy of a body is the energy it possesses as a result of its motion. It is the energy (work) needed to cause a given body to move from rest to its final velocity. It is measured in Joules. The kinetic energy of a body is the same until its velocity changes.

    Kinetic energy = 1/2 * m * V²

    Kinetic energy = 0.5 * 58 * 12² = 4176 J
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