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December 20, 2014

Homework Help: physics

Posted by zahid on Tuesday, October 4, 2011 at 10:59pm.

an 80 kg boy holding on to a helium balloon jumps off of a 20m tall building and floats to the ground. If the boant force of the balloon is 750 N upward, what is the boy's acceleration and final velocity just before he touches the ground?

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