A 46-kg woman cheats on her diet and eats a 685-Calorie (685 kcal) jelly doughnut for breakfast. (a) How many joules of energy are the equivalent of one jelly doughnut?  J (b) How many stairs must the woman climb to perform an amount o

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A: Given : Work on surrounding (W) = -345 J  Heat supplied (q) = -870 J

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Q: gasoline engine is running, an amount of gasoline containing 11,700 J of chemical potential energy…

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A: Given: Food energy can be viewed as molecular potential energy is discussed below.

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Q: During running, you lost 4.0×104 J of heat, and your internal energy also decreased by 1.6×105 J.…

A: Change in Internal energy, ∆U=-1.6×105J Heat lost, Q=-4.0×104J

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Q: A 60 kg woman cheats on her diet and eats a 493 Calorie (493 kcal) jelly donut for breakfast. (a)…

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