Answer to Question #219941 in Physics for Awwal

Question #219941

A sonometer wire of l vibrates at a frequency of 350hz when the length of the wire is increased by 15cm the wire vibrates at 280hz under constant tension determine l

Expert's answer

"f_1=\\frac{v}{2L}\\\\f_2=\\frac{v}{2(L+0.15)}\\\\\\frac{350}{280}=\\frac{L+0.15}{(L)}\\\\L=0.6\\ m"

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