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22 July, 08:08

An object has a velocity of 8m/s and a kinetic energy of 480 j what is the mass of the object

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  1. 22 July, 10:22
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    Kinetic energy=Ek

    Ek = (1/2) mv²

    Ek=480 J

    v=8 m/s

    mass=?

    Ek = (1/2) mv²

    480 J = (1/2) m (8 m/s) ²

    480 J = (32 m²/s²) m

    m = (480 J) / (32 m²/s²) = 15 kg

    answer: the mass of the object is 15 kilograms.
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