Question: A 3 metre balloon is filled with helium. The total weight of the balloon, gas and payload is 9 0 N . In an isothermal

A 3 metre balloon is filled with helium. The total weight of the balloon, gas and payload is 90N. In an isothermal atmosphere, at what altitude will the balloon come to rest? Assume ground pressure is 1x10^5 Pa abs and temperature is 20 degrees celsius. (Ans =5210m)

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