PHYSICS

1kg of fat is equal to 30MJ of energy.the efficiceny of converting fat to energy is 20%. suppose you life a mass of 12kg 2.0m vertically,500 times, how much work do you do?

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asked by Riana
  1. work=mgh*500

  2. Some will argue about the down stroke, what happens to that energy. But the body does not recycle it.

  3. if all the energy used to do the work comes from the burning fat how much fat is used ?

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    posted by Riana

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