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Question: 12 a block with a mass m40kg is suspended from...

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12. A block with a mass m4.0kg is suspended from a nonlinear spring with s F,in) where F, -50N and x, 15mm 50N and x,--15mm Im Write a single MatLab program which: a) Plots the spring force f, for (-15mm 〈 x 〈 15mm ) on the same figure. b) Determine the equilibrium position, x, , of the mass. c) What is the unstretched spring constant (at x-0) ? d) What is the equivalent spring constant for the stretched spring of b) e) Plot the equivalent spring constant for any equilibrium position. *Unstretched position

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