Author Question: An Olympic skier moving at 22.0 m/s down a 30.0 slope encounters a region of wet snow, of ... (Read 77 times)

kfurse · **on:** Jul 28, 2018

An Olympic skier moving at 22.0 m/s down a 30.0 slope encounters a region of wet snow, of coefficient of friction k = 0.740 . How far down the slope does she go before stopping?
a. 119 m
c. 175 m
b. 145 m
d. 199 m

Question 2

Dana uses a rope to pull a box that weighs 300 N across a level surface with constant velocity. The rope makes an angle of 30 above the horizontal and the tension in the rope is 50 N. What is the coefficient of friction?
a. 0.35
c. 0.16
b. 0.29
d. 0.20