The linear mass density of a copper, 36.0cm long cable is 0.00750kg/m. The wire is fastened at each end. The speed of sound in air is 344m/s. The wavelength of a standing wave that is set up in the wire is 14.4cm. The wire’s tension is 254.8N. a)  Which harmonic is present in the standing wave? b) ) What is the velocity of the wave in the wire? c) ) What is the frequency of the wave? d) ) How far from the wire’s end is the first anti-node?

Principles of Physics: A Calculus-Based Text
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Chapter14: Superposition And Standing Waves
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 The linear mass density of a copper, 36.0cm long cable is 0.00750kg/m.
The wire is fastened at each end. The speed of sound in air is 344m/s. The wavelength of
a standing wave that is set up in the wire is 14.4cm. The wire’s tension is 254.8N.

a)  Which harmonic is present in the standing wave?

b) ) What is the velocity of the wave in the wire?

c) ) What is the frequency of the wave?

d) ) How far from the wire’s end is the first anti-node?

 

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