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September 19, 2014

September 19, 2014

Posted by **lalaglaze** on Tuesday, October 20, 2009 at 6:11pm.

- physics -
**Vipster**, Tuesday, October 20, 2009 at 6:19pmKinetic energy = 1/2 m (v^2)

you know the KE and the speed

(have to convert km/h into m/s)

find the "m" using the formula

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