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July 30, 2014

Homework Help: Physics

Posted by Hil on Tuesday, December 24, 2013 at 11:07am.

Helium balloons are used regularly in scientific research. A typical balloon would reach an altitude of 40.0 km with an air density of 4.3*10^-3 kg/m^3. At this altitude the helium in the balloon would expand to 540000.0m^3. Find the buoyant force on the balloon.

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