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A large balloon of mass 226 kg is filled with helium gas until its volume is 325 m^3. Assume the density of air is 1.29 kg/m^3 and the density of helium is
Simple” Balloon Physics June 13, 2014 Phil Eberspeaker ppt download
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A helium balloon floats at the end of a string. The net force (the buoyancy force minus the weight) on the balloon is 33N. If the tension in the string exceeds 54
Why does a helium balloon rising up in the sky represent an apparent violation of the law of conservation of energy? - Quora
