ques- pay load is defined as the difference between the mass of the displaced air and mass of the ballon. Calculate the pay load when a ballon of radius 10m, mass 100kg is filled with helium(He) at 1.66 bar at 27`C (Density of air=1.2 kg/m3 and R=0.083bar dm3/K/mol
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Answer is 22.4 in NTP
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