Problem Answer

The work done stores 15.2 kilocalories in the lifted mass.


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Calculate Stoichiometry Expression

Calculating with W=Fs


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Problem


A 87.9 kilogram mass has a weight of 861 newtons (about 196 pounds). If this mass is lifted 73.8 meters above the surface of the earth, how many kilocalories of gravitational potential energy will be stored in the weight with respect to the earth surface? Given: 4.18 J/cal

"Will you walk into my parlour?" said the Spider to the Fly,
"'Tis the prettiest little parlour that ever you did spy..."
Mary Howitt-1834