Just before hitting the ball to the ground the ball had a kinetic energy of 12.5 J. Calculate the velocity of which the ball hits the ground

Question

Just before hitting the ball to the ground the ball had a kinetic energy of 12.5 J. Calculate the velocity of which the ball hits the ground

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Mộc Miên 4 years 2021-08-20T00:15:46+00:00 1 Answers 19 views 0

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  1. Eirian
    0
    2021-08-20T00:16:56+00:00
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    Answer:

    v = √(25/m)

    Explanation:

    KE = ½mv²

    v = √(2KE/m)

    We know the kinetic energy, but not the mass

    v = √(25/m)

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