A 26-cm-long wire with a linear density of 20 g/m passes across the open end of an 86-cm-long open-closed tube of air. If the wire, which is fixed at both ends, vibrates at its fundamental frequency, the sound wave it generates excites the second vibrational mode of the tube of air.
What is the tension in the wire? Assume the speed of sound is 340 m/s .
Answers: 3
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Atruck driver is attempting to deliver some furniture. first, he travels 8 km east, and then he turns around and travels 3 km west. finally, he turns again and travels 13 km to his destination. what is the drivers distance
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A 26-cm-long wire with a linear density of 20 g/m passes across the open end of an 86-cm-long open-c...
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