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Homework Help: General physics homework please help

  1. Dec 11, 2011 #1
    1. The problem statement, all variables and given/known data

    During a test crash, an air bag inflates to stop a dummy's forward motion. The dummy's mass is 75 kg. If the net force on the dummy is 825 N toward the rear of the car, what is the dummy's deceleration?

    2. Relevant equations


    3. The attempt at a solution

    someone help!
  2. jcsd
  3. Dec 11, 2011 #2
    that has nothing to do with gravity. F = ma and your given two of them
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