Question: Suppose the balloon in Prob. 2.111 is constructed with a diameter of 14 m, is filled at sea level with hot air at 70C and

Suppose the balloon in Prob. 2.111 is constructed with a diameter of 14 m, is filled at sea level with hot air at 70°C and 1 atm, and released. If the hot air remains at 70°C, at what U.S. standard altitude will the balloon become neutrally buoyant?

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Recall from Prob 2111 that the hot air density is pRThot 1030 kgm 3 Assume that the entire weig... View full answer

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