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Velocity of the bungee jumper

  1. Apr 16, 2006 #1
    Lola goes bungee jumping. She leaps from a bridge that is 100 m above a river. Her bungee cord has an unstretched length of 50 m and a spring constant k=700N/m. lola has a mass of 45 kg. How fast is she falling when she just starts to stretch the cord? How long does it take for Lola to reach this point.

    I used the equation V=√(k/m)(A)^2 and I got


    I was wondering If I used the right equation b/c the answer seems awfully high.

    The second part of the question i don't know which equation to use.
  2. jcsd
  3. Apr 16, 2006 #2
    Just ignore the spring, because it is not being stretched yet. She's just plain old falling.
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