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Physics, 20.07.2019 08:30, Rperez6491
44-kg woman cheats on her diet and eats a 695-calorie (695 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 of mechanical work equivalent to the food energy in one jelly doughnut? assume the height of a single stair is 15 cm. stairs (c) if the human body is only 28% efficient in converting chemical energy to mechanical energy, how many stairs must the woman climb to work off her breakfast? stairss..com/question/index? qid=20091118160038aazycd1
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44-kg woman cheats on her diet and eats a 695-calorie (695 kcal) jelly doughnut for breakfast. (a) h...
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