October 9, 2015

Homework Help: physics

Posted by Mona on Thursday, March 15, 2012 at 3:39am.

A roller coaster reaches the top of the steepest hill with a speed of 3.0 . It then descends the hill, which is at an average angle of 36 and is 50.0 long.
Estimate its speed when it reaches the bottom. Assume friction coefficint Mk=0.18.

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