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April 23, 2014

Homework Help: physics

Posted by lynn on Wednesday, October 26, 2011 at 5:40pm.

A moving car has kinetic energy.
If it speeds up until it is going four times
faster than before, how much kinetic energy
does it have in comparison?
1. The mass is needed.
2. The same
3. Sixteen times larger
4. Four times smaller
5. Four times larger
6. Sixteen times smaller

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