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Review | Constants Part A The food calorie, equal to 4186 J, is a measure of how much energy is released when food is If

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Review | Constants Part A The food calorie, equal to 4186 J, is a measure of how much energy is released when food is If a 69.0 kg hiker eats one of these bars, how high a mountain must he climb to "work off" the calories, assuming that all the food energy goes only into increasing gravitational potential energy? metabolized by the body. A certain brand of fruit- and-cereal bar contains 160 food calories per bar. AEQ 0 ? h = m Submit Request Answer Part B If, as is typical, only 24.0 % of the food calories go into mechanical energy, what would be the answer to part (a)? (Note: In this and all other problems, we are assuming that 100 % of the food calories that are eaten are absorbed and used by the body. This is actually not true. A person's "metabolic efficiency" is the percentage of calories eaten that are actually used; the rest are eliminated by the body. Metabolic efficiency varies considerably from person to person.) AEQ m Submit Request

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