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Question 5, 6.7.29

Part 1 of 4

HW Score: 0%, 0 of 89 points

O Points: 0 of 10

Calculate the work required to stretch the following springs 1.75 m from their equilibrium positions. Assume Hooke's

law is obeyed.

a. A spring that required 80 J of work to be stretched 0.2 m from its equilibrium position.

b. A spring that required a force of 250 N to be stretched 0.5 m from its equilibrium position.

dx

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a. Set up the integral that gives the work done in stretching the spring 1.75 m from its equilibrium position. Use

increasing limits of integration.

Fig: 1