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April 20, 2014

Homework Help: physics

Posted by sara on Friday, March 23, 2012 at 10:28pm.

A child loses his balloon, which rises slowly into the sky. If the balloon is 13 cm in diameter when the child loses it, what is its diameter at the following altitudes? Assume that the balloon is very flexible and so surface tension can be neglected.

(a) 2200 m

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