How much work must a person do, in kilowatt-hours, to offset eating a large Payday bar...
How much work must a person do, in kilowatt-hours, to offset eating a large Payday bar of 450 calories (kcal)? (Remember: One joule is equal to one watt-second.) Please show a diagram.
Homework Answers
E = 450 cal
1 cal = 4.184 J
E = 450* 4.184
E = 1882.8 J
conversion of J into kWh
1 kWh = 3.6*10^6 J
1 J = 1/( 3.6*10^6) kWh
so
E = 5.23*10^-4 kWh
========
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How much work must a person do, in kilowatt-hours, to offset
eating a large Payday bar...
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Please show your work step by step and make sure the answer are
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