Mountain climbers carry bottled oxygen when at very high altitudes. (a) Assuming that a mountain climber uses
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Mountain climbers carry bottled oxygen when at very high altitudes.
(a) Assuming that a mountain climber uses oxygen at twice the rate for climbing 116 stairs per minute (because of low air temperature and winds), calculate how many liters of oxygen a climber would need for 10.0 h of climbing. (These are liters at sea level.) Note that only 40% of the inhaled oxygen is utilized; the rest is exhaled.
(b) How much useful work does the climber do if he and his equipment have a mass of 90.0 kg and he gains 1000 m of altitude?
(c) What is his efficiency for the 10.0-h climb?
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a Assuming that the climber uses oxygen at twice the rate for climbing 116 stairs per minute their oxygen consumption rate would be 46 liters per minu...View the full answer
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