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24 July, 13:01

A bird has a mass of 0.8 kg and flies at a speed of 11.2 m/s. How much kinetic energy does the bird have?

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  1. 24 July, 14:27
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    The kinetic energy of an object is directly proportional to its mass and the square of its velocity

    KE = 1/2 (mv²)

    KE = Kinetic Energy

    m = mass in kg

    v = velocity in m/s

    Given:

    m =.8 kg

    v = 11.2 m/s

    Substitute:

    KE = 1/2 (.8) (11.2²)

    KE = 50.18 J
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