A uniform bar of metal,0.40 m long,with a diameter of 2.0 cm,has a mass of 1.1 kg. A 1.5 MHz longitudinal wave is propagated along the length of the bar.A wave compression traverses the length of the bar in 0.12 ms.The wavelength of the longitudinal wave in the metal,in mm,is closest to:
A) 2.2
B) 2.6
C) 3.0
D) 3.4
E) 3.8
Correct Answer:
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