Mathematics, 07.12.2019 03:31 fbillinton
If the work required to stretch a spring 2 ft beyond its natural length is 12 ft-lb, how much work is needed to stretch it 9 in. beyond its natural length?
Answers: 2
![12=k[\frac{x^{2} }{2}]^{2}_0](/tpl/images/0407/5363/e7068.png)
feet beyond its natural length.
![W=6[\frac{x^{2} }{2}]^{\frac{3}{4}}_{0}](/tpl/images/0407/5363/96a83.png)
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If the work required to stretch a spring 2 ft beyond its natural length is 12 ft-lb, how much work i...
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