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Pay load is defined as the difference be...

Pay load is defined as the difference between the mass of displaced air and the mass of the ballon. Calculate the pay load when a ballon of radius 10m, mass 100kg is filled with helium at 1.66 bar at `27^@C` (Destiy of air = 1.2 kg `m^(-3)` and R=0.083 bar `dm^3 ` `K^-1` ` mol^-1`.

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