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Posted by on Wednesday, December 19, 2012 at 7:31pm.

An exercise spring has a spring constant of 315 N/m. How much work is required to stretch the spring 30 cm? What force is needed to stretch the spring 30 cm?

  • Physical Science - , Wednesday, December 19, 2012 at 7:45pm

    Use meters for the displacement, X.

    Force = k*X = 315*0.3 = 94.5 N
    Work = (1/2)*k*X^2 = (1/2)(315)(.3)^2
    = 14.2 J

  • Physical Science - , Tuesday, December 25, 2012 at 9:23am

    what is fuming nitric acid?

  • ass eater - , Thursday, December 17, 2015 at 1:25pm

    1-800- EAT HER OUT

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