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.
physics - Henry, Friday, March 16, 2012 at 6:29pm
See 3-14,4:01pm post.