A 40-cm string of linear density 8.0 g/m is fixed at both ends and is driven...

 

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A 40-cm string of linear density 8.0 g/m is fixed at both ends and is driven by a variable frequency oscillator ranged from 300 Hz to 800 Hz. The string is set in oscillation only at the frequencies of 440 and 600 Hz. Find the tension in the string. (Ans: 131 N) A 40-cm string of linear density 8.0 g/m is fixed at both ends and is driven by a variable frequency oscillator ranged from 300 Hz to 800 Hz. The string is set in oscillation only at the frequencies of 440 and 600 Hz. Find the tension in the string. (Ans: 131 N)

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