February 24, 2017

Homework Help: Physics

Posted by J on Tuesday, February 15, 2011 at 2:28am.

A 55.0 kg girl is roping through the top of a tiny tree. She quickly swings down from her 12.0 m high perch and grabs a 21.0 kg dog as she swings. They barely swing back up to a tree limb. How high is this tree limb?

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