A person with a mass of 70 kg climbs the stairs of a 50 m tall building.
Question:
(a) What is the minimum work transfer if you treat the person as a system? Assume standard gravity.
(b) If the energetic efficiency (work output/heat released by food) of the body is 30%, how many Calories are burned during this climbing process?
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Related Book For 
Thermodynamics An Interactive Approach
ISBN: 978-0130351173
1st edition
Authors: Subrata Bhattacharjee
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