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Momentum of objects acted upon by same force

  1. Mar 6, 2012 #1
    Suppose two of the same objects are separated by a compressed spring. The compression is released and the objects are directed away from one another at the same velocity. Add mass to one of the objects. What happens, why?

    I would guess the object with the larger mass moves slower and the object without the added mass moves at the same speed because the force did not change. But it seems as thought the object without the added mass would move faster. Any ideas??
     
  2. jcsd
  3. Mar 6, 2012 #2

    gneill

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    Staff: Mentor

    Conservation of momentum and conservation of energy.
     
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