Homework Help: physics

Posted by Larry on Wednesday, March 3, 2010 at 7:58pm.

A skier with a mass of 70 kg starts from rest and skis down an icy (frictionless) slope that has a length of 52 m at an angle of 32° with respect to the horizontal. At the bottom of the slope, the path levels out and becomes horizontal, the snow becomes less icy, and the skier begins to slow down, coming to rest in a distance of 160 m along the horizontal path.
(a) What is the speed of the skier at the bottom of the slope?
m/s
(b) What is the coefficient of kinetic friction between the skier and the horizontal surface?
ľk =

physics - bobpursley, Wednesday, March 3, 2010 at 8:03pm
I will be happy to critique your thinking.
physics - Jake, Wednesday, March 3, 2010 at 8:36pm
I tried using free fall equations with no luck. I guess this isnt a free fall problem?
physics - Jake, Wednesday, March 3, 2010 at 8:39pm
That reply was meant for a different question.
physics - Anonymous, Friday, November 19, 2010 at 7:19pm
fffu
physics - Anonymous, Friday, November 19, 2010 at 7:19pm
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physics - Anonymous, Friday, November 19, 2010 at 7:20pm
who are u blah

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