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16 September, 14:59

Calculate the kinetic energy of a 107, mg raindrop moving at a speed of 4.7 - Round your answer to 2 significant digits.

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  1. 16 September, 15:16
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    1.2 * 10⁻³ J

    Explanation:

    Given data

    Mass of the raindrop (m) : 107 * 10⁻⁶ kg = 1.07 * 10⁻⁴ kg Speed (v) : 4.7 m/s Kinetic energy (K) : to be determined

    We can determine the kinetic energy of the raindrop using the following expression.

    K = 1/2 * m * v²

    K = 1/2 * 1.07 * 10⁻⁴ kg * (4.7 m/s) ²

    K = 1.2 * 10⁻³ J

    The kinetic energy of the raindrop is 1.2 * 10⁻³ J.
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