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September 20, 2014

September 20, 2014

Posted by **shannon** on Thursday, July 3, 2008 at 10:19am.

- physical science -
**drwls**, Thursday, July 3, 2008 at 2:44pmThe kinetic energy (1/2) M V^2 will equal the lost potential energy (20,000 J) at the bottom of the hill. This assumes that it had nearly zero kinetic energy at the top of the hill.

You know M, so solve for V.

V = sqrt(2*20,000/M)

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