Asked by Anonymous

Helium balloons are used regularly in scientific research. A typical balloon would reach an altitude of 45.0 km with an air density of 4.3×10−3 kg/m3. At this altitude the helium in the balloon would expand to 540000.0 m3. Take g=10 m/s2. Find the buoyant force on the ballon.

FB (in newtons) =
Answered by Anonymous
any one know?
Answered by Greco
23220
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