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Energy During oscilation

  1. Nov 29, 2008 #1
    A 0.70 kg mass on a spring oscilates horizontally with a little friction acording to the
    x= 0.0500 cos (2.10 t) where x is in meter and t is in seconds. Find the maximum energy stored in the spring during an oscilation. Find the maximum velocity of the mass.

    V_max = w*A= (0.05)*(2.10)= 0.105 m/s

    But the maximum energy E=(1/2)(m)(v_max ^2)= (1/2)(0.70)(0.105)^2= 3.86 x 10^-3 J

    Is this problem correct?.... or i use the wrong equations....
     
  2. jcsd
  3. Nov 29, 2008 #2

    Doc Al

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    Staff: Mentor

    Looks OK to me.
     
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