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    spring energy arid004

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    spring compressed by 20cm & used horizontally to propel ball of mass 200g. starts from rest.

    a) calculate amount of elastic potential energy stored in spring when compressed by 20cm

    b) kinetic energy of the ball when spring is at original length. (assume no energy transferred to environment)

    c) speed of the ball when spring returned to original length.


    attachment spring q.docx

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      Hey arid004,

      check out my suggested solutions in the attachment below.

      Let me know if you have any further questions!

      George T

      attachment SS3.pdf

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