A balloon is to be used to carry meteorological mstruments to an elevation of 15,000 ft
Chapter 3, Problem 3.111(choose chapter or problem)
A balloon is to be used to carry meteorological mstruments to an elevation of 15,000 ft where the air pressure is S.l psi a. The balloon is to be filled with helium, and the material from which it is to be fabricated weighs O.Qllbf/ft2 If the mstruments weigh 8lbf, what diameter should the spherical balloon have?
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