Calculate energy lost - friction, Physics

The big hill on a roller-coaster ride is 91 m tall.

If the mass of the roller-coaster car and its two riders is 314 kg and the maximum velocity reached by this roller-coaster ride is 28 m/s.

How much energy was lost to friction?

 

Posted Date: 6/18/2013 2:49:03 AM | Location : United States







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