Sunday

April 20, 2014

April 20, 2014

Posted by **christy** on Tuesday, April 3, 2012 at 7:49am.

A mountain-climber friend with a mass of 82 kg ponders the idea of attaching a helium-filled balloon to himself to effectively reduce his weight by 25% when he climbs. He wonders what the approximate size of such a balloon would be. Hearing of your physics skills, he asks you. Share with him your calculations that find the volume of the balloon.

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