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No clue, any hints

  1. Dec 16, 2004 #1
  2. jcsd
  3. Dec 16, 2004 #2

    Doc Al

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    Staff: Mentor

    You'll need to use conservation of energy and Newton's 2nd law (consider centripetal acceleration). Hint for part b: At the top of the motion there is a minimum speed to maintain a taut string.
     
  4. Dec 16, 2004 #3
    the formula PE=KE?

    so the PE when the ball is below the peg has to equal the KE after it hits the peg?
     
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