Recent content by spartan55

Ahh yes that is what I forgot. Thanks Sammy!

Homework Statement A professional skier's initial acceleration on fresh snow is 90% of the acceleration expected on a frictionless, inclined plane, the loss being due to friction. Due to air resistance, his acceleration slowly decreases as he picks up speed. The speed record on a mountain in...

Wow it is a lot easier with the energy approach. We haven't talked about that yet, we're still on basic kinematics. Thanks for your help!

Homework Statement A car traveling at 22.0 m/s runs out of gas while traveling up a 24.0deg slope. How far up the hill will it coast before starting to roll back down? Homework Equations (v_final)^2 = (v_initial)^2 + 2*(a_parallel)*(x_final - x_initial) ...and some trig The Attempt...