Recent content by peyton

then what ? find the difference then use that force to find the velocity at the bottom of the slope

btw i am Canadian the 10425J and it was the force of friction was 40N up hill i need to find the velocity at the bottom of the hill

Homework Statement if a skier goes down a hill that is 20m high and 70 m long perpendicular to the height... and she weighs 50kg and her intial veloctiy is 5 m/s. how fast is she going at the bottom if the force of gravity up the hill is 40N?? I just don't get it! PLease help me...