February 22, 2017

Homework Help: physics

Posted by Anonymous on Saturday, January 16, 2010 at 2:49pm.

You do a certain amount of work on an object initially at rest, and all the work goes into increasing the objectfs speed. If you do work W, suppose the objectfs final speed is v. What will be the objectfs final speed if you do twice as much work?
1. 4 v
2. 2 v
3. Still v
5. v*ã2

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