Solution-Calculate the total amount of expansion work

Calculate the total amount of expansion work

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Reference no: EM13957086

You exhale at the rate of 14 breaths a minute under normal conditions, each breath containing 0.50 L of air. You exhale against an external pressure of about 100 kPa.

a) Calculate the total amount of expansion work you do against the earth's atmosphere in a day.

b) If your typical intake of food is equivalent to 2500 nutritional calories (1 nutritional calorie = 4,184 J), what fraction of a day's energy consumption is this work by the lungs? [It's not this bad however, since the surroundings do work on the lungs when it contracts.]

Reference no: EM13957086

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Calculate the total amount of expansion work

Reference no: EM13957086

Reference no: EM13957086

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