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May 28, 2015

Homework Help: physics

Posted by John on Tuesday, November 1, 2011 at 8:36pm.

You jog at 6.2 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.6 mi/h?

I don't get why the answer isn't 15.

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