# 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

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

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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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