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2 April, 09:23

She slams her fist onto the calculator with 8000 j of KE. If she moved her arm at 3 m/s, what is the mass of her fist?

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  1. 2 April, 13:23
    0
    1777.7

    Explanation:

    kE = 0.5mv^2

    8000=9/2 m

    1777.7
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