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## Homework Statement

A skier is sliding down a 20

^{o}slope at constant speed, what is the kinetic friction coefficient?

## Homework Equations

E = 1/2 mv

^{2}

W = Fd

F = ma

F = μN = μmg

## The Attempt at a Solution

Attempted to use ma = μmgsin20, which crosses out the masses since mass was not given, but the skier is going at a constant speed so I'm assuming acceleration would be zero. Though I'm not sure how to continue the question or if I'm on the right track. Thanks in advance!