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physics

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A diver with a mass of 51 kg reaches a maximum height of 5.8 m above the water. When the diver has fallen 2.8 m from the apex, what is her kinetic energy (J)? Assume horizontal velocity is zero.

  • physics - ,

    just figure how much potential energy (mg ∆h) has been lost. That has been converted to kinetic energy.

  • physics - ,

    P.E=mgh m=51kg g=9.8ms^2 h=2.8m 51*9.8*2.8=1399.44j

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