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Physics 20 Online
OpenStudy (anonymous):

The tracks of a railroad make an angle of 5.20 with the horizontal. The tracks become coated with grease and a train coming down the slope tries to stop. The train wheels slide on hte grease and the train accelerates down thae track at a rate of .0200m/sec^2 what is the coefficient of kinetic friction between track and train

OpenStudy (anonymous):

Do you have a free body diagram of the situation?

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