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Emmanuel G
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Emmanuel G
Answers (2)
Divide W which is 5 by COS 60 it gives 10 that is 10N
F=50N,E=25cm-20cm=5cm.so f=50 N/5cm=10N/cm.E=100N/10N/cm=10cm=new length=(original length*E)=20cm*10cm=30cm
