A balloon carries a total load of 185 kg at normal pressure and temperature of 27°C. What load will the balloon carry on rising to a height at which the barometric pressure is 45 cm of Hg and the temperature is –7°C. Assuming the volume constant ?
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ρair gv = mg ρair gv = m'g
ρair v = 185 kg
m' = 123.54 kg
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