acceleration= g*sin10
vf^2=vi^2+2d a
solve for d
average speed going down=(13+2.5 )/2
timedown=distance/avgspeed
A skier is gliding along at 2.5m/s on horizontal, frictionless snow. He suddenly starts down a 10∘ incline. His speed at the bottom is 13m/s .
What is the length of the incline?
How long does it take him to reach the bottom?
2 answers
5.0 s
1 answer