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Amplitude and Total Energy

  1. Nov 19, 2009 #1
    A mass of 0.5 kg is attached to the end of a massless spring of spring constant 0.40 N/m. It is released from rest from an extended position. After 0.7 s, the speed of the mass is measured to be 1.75 m/s. What is the amplitude of oscillation? What is the total energy (relative to the mass at rest in the unextended position) contained in this system?



    x=Acoswt
    conservation of energy



    I've tried many different attempts.
     
  2. jcsd
  3. Nov 19, 2009 #2
    Anyone have any help on this problem. I think I have to use conservation of energy but I really am not sure
     
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