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OpenStudy (anonymous):
A spring requires a force of 25 N to produce an extension of 2 cm in it. What is the work done in further extending it by 3 cm. Select one of the options below as your answer: A. 1.3125 J B. 1.876 J C. 2.7121 J D. 2.85 J
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OpenStudy (anonymous):
E=F . d In there : F=25N d=3cm = 3/100 m Now answer !
OpenStudy (anonymous):
thanks
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