9. Work & Energy
Work By Springs
8:00 minutes
Problem 7.37
Textbook Question
Textbook Question(II) A spring has k = 65 N/m . Draw a graph like that in Fig. 7–11 and use it to determine the work needed to stretch the spring from x = 3.0cm to x = 7.5cm , where x = 0 refers to the spring’s unstretched length.
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