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  1. jskrzypi

    Spring launches a block up a ramp -- How far does it go?

    I think I have all the pieces here, and am able to solve for a work through the air. But I have a power output, and don't know how to isolate it to find the distance.
  2. jskrzypi

    Angle on ramp with cart and weights on rope at end

    I believe the nx, Ty, and (fs)y are all 0. I could solve for theta if I could figure out (fs)x or ny. edit: Track is frictionless, so delete (fs) forces.