Hey, I am currently taking the pre-reqs for medical school and was wondering how difficult this question is for anyone interested. It was on our most recent exam and for Physics I, and I found this question to be too difficult considering there was another difficult conceptual problem (where you have to show your work) and then 10+ multiple choice questions. I reviewed numerous inclined plane problems - none were at all this difficult to understand. Question: There is a hill 2.0 m high and 5.0 m in the base. A sled is sliding down the hill and stops after 35 m from the end of the hill. What is the friction coefficient? We went over the answer in class which I vaguely understand. Essentially, I just wanted to see what you guys think of this question and how long it takes you to solve it (considering you are probably 100% better at physics that me). Thanks!