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A spring exerts a force of 4x lbs when it is compressed a distance of x feet. How much work is required to compress the spring a distance of one inch?

  • calculus -

    The answer is 2

    a = 0 (start of the spring)
    b = 1

    integrate 4x then plug in the limits (0 and 1)

  • calculus -

    Correction its not 2. It's 1/72 ft lbs

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