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Help I missed class and don't know what to do

  1. Oct 5, 2008 #1
    A 500 g ball swings in a vertical circle at the end of a 1.5-m-long string. When the ball is at the bottom of the circle, the tension in the string is 15 N.

    What is the speed of the ball at that point in m/s?
  2. jcsd
  3. Oct 5, 2008 #2
    start with a free body diagram and the answer will appear
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