*83. ssm mmh Two trucks travel at the same speed. They are far apart on adjacent lanes and approach each other essentially head-on. One driver hears the horn of the other truck at a frequency that is 1.14 times the frequency he hears when the trucks are stationary. The speed of sound is 343 m/s. At what speed is each truck moving?

Q: 2. An ambulance travels down a straight section of highway at a speed of 120 km/h, its siren…

A: Given: The speed of the ambulance is v=120 km/h. The frequency of sound of siren is f=500 Hz. The…

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A:

Q: An ambulance traveling eastbound at 134.0 km/h with sirens blaring at a frequency of 6.50 x 102 Hz…

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A: Given data: Distance of the spherical source (r) = 5 m Intensity of the sound (I) = 0.1 W/m2 Need to…

Q: Consider a sound wave moving through the air modeled with the equation s(x, t) = 5.00 nm cos(59.00…

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Q: Two waves produce the following displacements on the same string: yi = 24.0 mm sin(-1.25mx + 9nt) y2…

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Q: A  progressive wave travelling in the x-direction is represented by the following equation:   y = A…

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Q: of

A: In the doppler effect, the frequency of waves varies when the source and observer move closer or…

Q: *81. CD A car is parked 20.0 m directly south of a railroad crossing. A train is approaching the…

A: The expression for the Doppler's shift is, f0=fscc-cAC

Q: **109. A jet is flying horizontally, as the drawing shows. When the plane is directly overhead at B,…

A:

Q: Since the ambulance is the source of the sound, let v represent the magnitude of the velocity of the…

A: in this question we determine speed of source.

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

A:

Q: A train is moving parallel to a highway with a constant speed of 15.0 m/s. A car is traveling in the…

A:

Q: A yellow submarine traveling horizontally at 11.0 m/s uses sonar with a frequency of 5.27 x 103 Hz.…

A: a). Write the equation 14.12 in the text book is,

Q: 31. ssm For research purposes a sonic buoy is tethered to the ocean floor and emits an infrasonic…

A: speed, v = 1522 m/s period, T = 71 ms

Q: The sound intensity of a jet engine, measured in watts per meter squared (W/m2), is inversely…

A: Given, The sound intensity of a jet engine, measured in watts per meter squared (W/m2) I∝1d2where d…

Q: Doppler ultrasound uses ultrasound to measure blood flow velocity. Suppose the device sends sound…

A: Given,v=1540 msvb=2 cms    =0.02 msfs=3.5 MHz    =3.5 ×106 HzThe Doppler effect will be used to…

Q: Sonar emits ultrasound at a frequency of 30 kHz, which propagates rapidly in water at a speed of…

A:

Q: Find the speed of an ocean wave whose displacement is given by: y = 3.7cm cos(2.2x-7.0t) where x and…

A: This question is based on Waves topic. General equation of a traveling wave:

Q: An a given situation a source emits sound with a frequency of 1100 Hz If the source is moving at 40…

A:

Q: A driver travels northbound on a highway at a speed of 26.0 m/s. A police car, traveling southbound…

A: Given- Frequency of sound fs = 2600 Hz Velocity of driver (Vd) = 26 m/s Velocity of police car (Vp)…

Q: 63. II In 2003, an earthquake in Japan generated 1.1 Hz waves INT that traveled outward at 7.0 km/s.…

A: In this question we have to answer some questions related to the Earthquake. Please give positive…

Q: A  progressive wave travelling in the x-direction is represented by the following equation:   y = A…

A:

Q: On October 15, 1997, a car called Thrust SSC set a new land-speed record. It traveled 763 mph in 1…

A:

Q: A sound source that has a frequency of 500 Hz moves at a speed of 15 m/s approached a silent…

A:

Q: What happens to a sound source that is passing by at constant speed? A. The sound and pitch vary…

A: Sound source is passing at constant speed

Q: An ambulance is traveling East at 20m/s. The siren emits a fixed frequency of 220Hz. Each of the…

A: The ambulance is traveling at 20 m/s and emits sound at a frequency of 220Hz.

Q: A boat on the surface of the water has a major malfunction which results in a loud explosion. Who…

A: The speed of sound c in water can be calculated as,

Q: 1. A person holds a rifle horizontally and fires at a target. The bullet has a muzzle speed of 200…

A: Given Speed of bullet = 200 m/s Time taken to hear the sound = 0.80 s Temperature of air = 71 °F We…

Q: A driver travels northbound on a highway at a speed of 30.0 m/s. A police car, travelling southbound…

A: Given ,     V1 = 30 m/s     V2 = 44 m/s  Fo = 2500 hz

Q: Doppler ultrasound uses ultrasound to measure blood flow velocities. Suppose that the device emits…

A:

Q: *111. Go ssm A speedboat, starting from rest, moves along a straight line away from a dock. The boat…

A: The expression for find observed frequency is f'=f1-v'v                         ...... (1) Using…

Q: An ambulance traveling eastbound at 104.0 km/h with sirens blaring at a frequency of 6.00 ✕ 102 Hz…

A: speed of sound v = 343m/s Speed of ambulance va = 104km/h = (104×5)/18 m/s = 28.89 m/s Speed of car…

Q: How can it be shown that the speed of sound in 20.0o C air is 343 m/s. Air temperature in the Sahara…

A: The speed of sound in air in terms of temperature can be expressed as follows

Q: What happens to a sound source that is passing by at constant speed? The sound and pitch vary…

A: When there is relative motion between source and observer ,then apparent frequency heard by observer…

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

A: Given,

Q: *82. GO A loudspeaker in a parked car is producing sound whose frequency is 20 510 Hz. A healthy…

A: Given: The frequency of loudspeaker is f=20510 Hz. The speed of sound is v=343 m/s.   (a) When the…

Q: A pin with a mass of 0.15 g falls from rest on a table 1.0 m high. Upon reaching the floor, 0.02% of…

A:

Q: 9. An aircraft is moving away from you at half the speed of sound, which, on that day is about 340…

A: Given data:  Speed of sound (v) = 340 m/s Speed of moving aircraft (vs) = 170 m/s, away from…

Q: *43. ssm A hunter is standing on flat ground between two vertical cliffs that are directly opposite…

A: The time taken by the first echo is, t1=2d1v                                                ......…

Q: A pin with a mass of 0.15 g falls from rest on a table 1.0 m high. Upon hitting the ground, 0.02 %…

A: Given: Mass (m) = 0.15 g = 0.15 x 10 -3 kg  Height (h)  = 1 m  Time (t) = 0.10 s

Q: 77. ssm From a vantage point very close to the track at a stock car race, you hear the sound emitted…

A: The formula of the Doppler's effect is  f' =vv + vsf

Q: What frequency of sound is observed if the 444 Hz source is traveling away from a stationary…

A: Given data:  Frequency of source (f) = 444 Hz Speed of source (vs) = 30.2 m/s, away from observer…

Q: Two truckers are traveling directly away from each other at the same speed. If one trucker sounds…

A: Given, frequency of listener, fL=243 Hz frequency of the source, fS=246 Hz Speed of sound, v=343 ms…

Q: What frequency of sound is observed if the 449 Hz source is traveling away from a stationary…

A: Doppler's Effect : It states the change in frequency of a wave in relation to an observer who is…