5. A plane travels horizontally at 1.25 times the speed of sound. If a shock wave is felt 10 seconds after the plane flies overhead, what is the plane's altitude?
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A: f= 26 Hz V= 417 m/s
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A: Speed of the sound wave, c = 350 m/s Wavelength of the wave, L = 35 cm = 0.35 m
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A: We have givenM=2·2andV=2115 km/h =587.5 m/sec
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A: wavelength = 40 m speed =5 m/sec we know, frequency = velocity / wavelength
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A: Given data Tc=20°c=293 K
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A: Given: V=340 m/sfo=512 Hzf'=623.3 Hz
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Q: 13. What is the intensity of a sound wave of amplitude 0.002 dyne/cm2, measured in dB? ( some facts:…
A: The amplitude of a sound wave is, P=0.002 dyne/cm2
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Q: 9. A jet flies toward higher altitude at a constant speed of 1 963 m/s in a direction that makes an…
A: Given, Speed of jet, v=1963 m/s Speed of sound in air, v'=340 m/s Now from the diagram,
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