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Part A he graph in the accompanying figure shows the magnitude of the force exerted by a given spring as a unction of the di
Problem 7.23 A Review Const Part B The graph in the accompanying figure shows the magnitude of the force exerted by a given s
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a) Work done to stretch the spring 4.00cm. this will be the magnitude the arra under the line shown as W. = 1 W = 4J (200) XB) Work done to stretch the spring X=3cm to x= 7cm. Area under the line from x=3cm to x=76mW37 = Wz-W₂= 2x350x7x102 -2x150x3x102 W LOY (2450 - 450)= 2000x10? 2 W3 7 = IOJ other method W3-17= {(350+150) (7-3)x102 W37

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