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21 January, 13:41

Which dog has the most kinetic energy

15 kg going 3 m/s

8 kg going 4 m/s

12 kg going 5 m/s

10 kg going 6 m/s

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  1. 21 January, 13:58
    0
    The formula to find the kinetic energy is:

    Ek = 1/2 * m * v^2

    1. Ek = 1/2*15*3^2

    = 67.5 J

    2. Ek = 1/2*8*4^2

    =64 J

    3. Ek = 1/2*12*5^2

    = 150 J

    4. Ek = 1/2*10*6^2

    = 180 J

    So the fourth dog has the most kinetic energy.
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