The balloon doesn't move upward when it reaches certain height why?

what yaar no one know about this....

i am expecting more from ehelp....

can any one tell me about The " ordinary balloon doesn't move upward when it reaches certain height why ? "

please tell me...

Thanks in advance...

mjr
Anonymous User
Anonymous User
Asked Jan 17, 2013
A baloon floats because the mass of the balloon is less than the mass of the air it displaces. The air closest to the earth's surface is much more dense than the air way up in the sky, (because gravity pulls harder as things get closer together
). so there comes a point where the displaced air way up in the sky is no longer dense enough to be heavier than the helium in the balloon.
johnny_p_limp
Answered Feb 28, 2014

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