Posted by **francis** on Sunday, June 30, 2013 at 1:20pm.

A toboggan slides down a hill and has a constant velocity. The angle of the hill is 6.50° with respect to the horizontal. What is the coefficient of kinetic friction between the surface of the hill and the toboggan?

- physics -
**Elena**, Monday, July 1, 2013 at 5:51am
mgsinα=μN=μmgcosα

μ=tanα

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