December 1, 2015

Homework Help: Physics

Posted by Kristina on Wednesday, March 14, 2012 at 4:01pm.

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 40 and is 50.0 long. Estimate its speed when it reaches the bottom. Assume kinetic friction (uk) = 0.18 .

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