An aircraft flies directly overhead at an altitude of 5 km. If the sound of the aircraft is heard 6 s later, determine the speed and Mach number of the aircraft. Assume an average air temperature of 10°C.

Q: You are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see…

A: We know that the speed of sound in air at 20°C is approximately 344 m/s  So,v = 343 m/s       t = 20…

Q: You approach a stationary sound source with a speed such that the frequency of sound you hear is 17%…

A:

Q: During a thunderstorm, 4.1 s elapses between observing a lightning flash and hearing the resulting…

A:

Q: A sound wave has a frequency of 632 Hz in air and a wavelength of 0.51 m. What is the temperature of…

A: Given, frequency = 632 Hz wavelength = 0.51 m We know, c is the speed of sound

Q: During a thunderstorm, 3.2 s elapses between observing a lightning flash and hearing the resulting…

A:

Q: During a thunderstorm, 5.0 s elapses between observing a lightning flash and hearing the resulting…

A: The speed of light (u) = 3 ×108 msThe speed of sound in air (v) = 344 msLet the distance of the…

Q: You are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see…

A: Given, The total time of sound travelling is 20.0 sec

Q: If the Mach number is 2.2 and the speed of an airplane measured by radar is 2115 km/h, what is the…

A: We have givenM=2·2andV=2115 km/h   =587.5 m/sec

Q: A bat uses echolocation to detect prey as small as about 1 wavelength of the sound of a bat call.…

A: We will answer the question using relation connecting speed of a wave to its frequency and…

Q: A bat emits a sound at a frequency of 30.0 kHz as it approaches a wall. The bat detects beats such…

A: The given data are: f1=30 kHz=30000 Hzfb=900 Hzc=340 m/s Here, f1 is the frequency of the sound…

Q: Picnickers see a lightning flash and hear the resulting thunder 8.6 s later. If the storm is…

A:

Q: Q) The Doppler scale uses ultrasound to measure the rate at which blood is spent. Suppose that the…

A:

Q: Picnickers see a lightning flash and hear the resulting thunder 9.50 s later. If the storm is…

A:

Q: An osprey (a type of hawk) has a distinct call: a whistle at 2100 Hz. An osprey calls while diving…

A: Frequency of whistle , fo = 2100 Hz Frequency of whistle heard , f= 2400 Hz Speed of sound , V = 343…

Q: You see condensed steam expelled from a ship whistle 4.948 seconds before you hear the sound. If the…

A:

Q: Female mosquitoes emit a buzz at 400 Hz, whereas male mosquitoes typically emit a buzz at 600 Hz. As…

A:

Q: You are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see…

A: Distance covered by sound = 2vt

Q: On the planet Venus a rare volcanic eruption occurs. The sound of it is 30 Hz and it has a…

A: Given Wavelength is 13.7 m Frequency is 30 Hz.

Q: During a thunderstorm, 5.9 s elapses between observing a lightning flash and hearing the resulting…

A: Given information: The time take to hear the sound (t) = 5.9 s The spped of sound (V) = 344 m/s

Q: During a thunderstorm, 3.1 s elapses between observing a lightning flash and hearing the resulting…

A:

Q: During a thunderstorm, 3.0 s elapses between observing a lightning flash and hearing the resulting…

A: Given, During a thunderstorm, 3.0 s elapses between observing a lightning flash and hearing the…

Q: You are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see…

A: The speed of sound in air at 20°C is approximately 344 m/s  v = 344 m/s  t = 20 sec  The distance…

Q: Picnickers see a lightning flash and hear the resulting thunder 7.6 s later. If the storm is…

A: SOlution: given that t = 7.6 s travelling rate v= 16 km/h to find the the time of arrival of thunder

Q: You approach a stationary sound source with a speed such that the frequency of sound you hear is 13%…

A: Given,

Q: A hiker shouts towards a vertical cliff that is 465 m away. The echo is heard 2.75 s later. What is…

A:

Q: The speed of sound in air cannot be less than 331 m/s. True or False?

A: At temperature T = 0 °C,  the speed of air in sound is 331 m/s.

Q: A woman sees a supersonic plane directly overhead and then hears a sonic boom 4.8 s later. If the…

A: Given data: Altitude of plane is, h=1.95×103 m. Time for passing of plane is, t=4.8 s. Speed of…

Q: 30. A man drops a rock into a well and he hears the splash 3.00 seconds later. If the air…

A:

Q: During a thunderstorm, 4.6 s elapses between observing a lightning flash and hearing the resulting…

A: Introduction: Normally in the rainy season thunderstorm and lightning observed. lightning and…