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  1. Q

    Another conservation of energy problem(I think)

    So I have another problem that I'm having some issues with. Homework Statement A ball attached to a massless rope is allowed to swing around a circle of radius r=0.8m. When the ball reaches point B, the horizontal rope hits the peg P causing the ball to swing around a smaller circle...
  2. Q

    Need help setting up the problem.

    Hello, I was looking to get some help with setting up this problem so I may solve it. For some reason I just don't see what to do to work towards a solution. Homework Statement A 6kg collar is allowed to slide over a frictionless pole whose height above the ground obeys the parabolic equation...
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