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Physics Spring

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A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 1.0 J of work is required to compress the spring by 0.12 m. If the mass is released from rest with the spring compressed, it experiences a maximum acceleration of 16 m/s2

find the value of spring constant

find value of the mass

  • Physics Spring -


    k= m*a/x

    but work= 1/2 kx^2

    Use the second first to get k, then


  • Physics Spring -

    F=kx = mg=kx => ma=kx => m=kx/a
    (138.9(.12))/16 = 1.04kg

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