An Olympic Skier Moving at 20 $\degree$ Slope Encounters a Region of Wet Snow,of Coefficient of Friction

Multiple Choice

An Olympic skier moving at 20.0 m/s down a 30.0 $\degree$ slope encounters a region of wet snow,of coefficient of friction m_k = 0.740.How far down the slope does she go before stopping?

A) 119 m
B) 145 m
C) 170 m
D) 199 m