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April 20, 2014

Homework Help: Physics

Posted by Bob on Saturday, December 18, 2010 at 8:44pm.

Two brothers are jogging, Josh and Drake. Josh has 1/2 the KE of Drake. Also, he is twice the mass of Drake. Plus, Josh had to increase his speed by 1.35 meters/second to achieve the same kinetic energy of Drake. What is the initial velocity?

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