Question: The balloon in the figure is filled with helium and pressurized to 135 kPa and 20C. The balloon material has a mass of 85 g/m2.

The balloon in the figure is filled with helium and pressurized to 135 kPa and 20°C. The balloon material has a mass of 85 g/m2. Estimate
(a) The tension in the mooring line, and
(b) The height in the standard atmosphere to which the balloon will rise if the mooring line is cut.

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a For helium from Table A4 R 2077 m2s2K hence its weight is W 135000 2... View full answer

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