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Spring Collision Problem

  1. Nov 5, 2016 #1
    1. The problem statement, all variables and given/known data
    A 2 kg block collides with a massless spring of spring constant 94 N/m attached to a wall. The speed of the block was observed to be 1.4 m/s at the moment of collision. The acceleration of gravity is 9.8 m/s 2 . How far does the spring compress if the surface on which the mass moves is frictionless? Answer in units of cm.

    2. Relevant equations

    3. The attempt at a solution
    Solved for x
    x= sqrt((mv^2)/(k))
    Plugged in values and I got 0.20421
    Apparently not right though
  2. jcsd
  3. Nov 5, 2016 #2


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  4. Nov 5, 2016 #3
    Facepalming so hard right now. Thanks!
  5. Nov 5, 2016 #4


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    No need to feel bad...happens to all of us.

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