Re: Physics (?) Question
Quote:
Originally Posted by Sun_Tzu
Helium rises because it's lighter than air, in order to lift a given weight you need to provide enough helium for the relation to the same volume of air being the same as the weight of the object you are lifting or more. As the object rises, you have to provide again enough new lift to overcome the effect of gravity on the object as it rises. Temperature will effect the volume of the gases and the ratios of helium to air and thus the lift-capacity of a unit of helium.
Physics formulae I don't know, but atleast that's the principle of it.
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