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How far does his center of mass move up

  1. Oct 7, 2006 #1
    Dave Johnson, the bronze medallist at the 1992 Olympic decathalon in Barcelona, leaves the ground at the high jump with vertical velocity component 6 m/s. How far does his center of mass move up as he makes the jump?

    I've got nothing for info how do I solve this?
     
  2. jcsd
  3. Oct 7, 2006 #2

    arildno

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    Think conversion of kinetic energy into potential energy!
     
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