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Motor vehicles colliding head on,1 stationary brakes applied,1 travelling at 15mph

  1. Aug 11, 2011 #1
    1. The problem statement, all variables and given/known data
    Two identical vehicles 1 vehicle stationary and with brakes applied other vehicle travelling at 15mph. Road surface of good tarmacadam but damp after rain. Would occupants of both vehicle experience the same forces and would the injuries sustained be equal?


    2. Relevant equations

    Newtons laws of motion

    3. The attempt at a solution

    So long ago since I worked this at out college (50 years!) I can't remember formulae and method. Any help would be appreciated.
     
  2. jcsd
  3. Aug 11, 2011 #2
    Re: Motor vehicles colliding head on,1 stationary brakes applied,1 travelling at 15mp

    Choose a frame of reference connected with the center of mass of the 2 objects to discribe distance and velocity. Does this help?
     
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