Recent content by gknowels

  1. G

    2 balls dropped from a building

    since you know the time, acceleration, initial and final positions, you should be able to use x = x_0 + v_0 t + (1/2) a t^2 to find the answer.
  2. G

    What Is the Minimum Height for a Cart to Safely Negotiate a Loop-the-Loop?

    Thank you for your help, that indeed gave me the correct solution. A simple oversight by me. Thanks again:smile:
  3. G

    What Is the Minimum Height for a Cart to Safely Negotiate a Loop-the-Loop?

    Homework Statement The two problems below are related to a cart of mass M = 500 kg going around a circular loop-the-loop of radius R = 7 m, as shown in the figures. Assume that friction can be ignored. Also assume that, in order for the cart to negotiate the loop safely, the normal force...
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