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A balloon and its gondola have a total (empty) mass of 2.0x10^2 kg. When filled, the...

A balloon and its gondola have a total (empty) mass of 2.0x10^2 kg. When filled, the balloon contains 900m^3 of helium at a density of 0.183 kg/m^3. Find the added load, in addition to its own weight, that the balloon can lift. the density of air is 1.29kg/m^3

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