SAT, 30.11.2021 22:40, restinpeicejahseh

A hot‐air balloon stays aloft because hot air at atmospheric pressure is less dense than cooler air at the same pressure. If the volume of the balloon is 500. 0 m3 and the surrounding air is at 15. 0°c, what must the temperature of the air in the balloon be for it to lift a total load of 290 kg (in addition to the mass of the hot air)? the density of air at 15. 0°c and atmospheric pressure is 1. 23 kg/m3.

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A hot‐air balloon stays aloft because hot air at atmospheric pressure is less dense than cooler air...