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April 18, 2014

April 18, 2014

Posted by **Ashley** on Tuesday, November 6, 2012 at 10:38am.

Hint: How is the work done by a non-conservative force such as drag related to the change in the car\'s mechanical energy?

- Physics... URGENT !!!! -
**Elena**, Tuesday, November 6, 2012 at 12:20pmmg=66700 N, m=66700/9.8 kg, s= 418 m, v ₀=66.5 mph =29.7 m/s

v=28.9 mph=12.9 m/s, h=13.1 m

KE1-KE2= W(dr)+ PE

m•v₀²/2 - m•v²/2= F(dr) •s +m•g•h

Solve for “F(dr)”

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