An airplane is flying at Mach 1.75 at an altitude of 8000 m, where the speed of sound is 320 m/s. How long after the plane passes directly overhead will you hear the sonic boom?

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A: Loudness of the sound is IdB = 89.0 dB

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A: Given: match no M =5 altitude h =8km = 8000 m speed of sound v = 320 m/s

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A: The observed frequency is, f=f0v+v0v-v0 Thus, f=2.50×106Hz1540 m·s-1+0.300 m·s-11540 m·s-1-0.300…

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A: Given that :vt=10 m/svp=1m/sft=100 Hzvs=342 m/s

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Q: A train approaches a crossing at a velocity of 102 m/s. It sounds its horn, which has a frequency of…

A: velocity of train vs = 102 m/sfrequency f = 400Hzspeed of sound v =343 m/s

Q: . What is the speed of the police car? The speed of sound in air is 343 m/s.

A: f'=frequency when source getting close=1330 Hz f''=frequency when source getting away=1370 Hz…