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July 28, 2014

Homework Help: Physics

Posted by Chapa on Thursday, September 19, 2013 at 12:27am.

A rock is dropped from a tree of height 20 m into a lake (depth 4.6 m) below. After entering the water, the rock floats gently down through the water at a constant speed of 1.6 m/s to the bottom of the lake. What is the total elapsed time?

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