A rescue plane is moving to an emergency beacon that has a frequency of 15.2 kHz. The plane is traveling at 140 m/s.  (a) What is the wavelength of beacon picked up by the plane? (b) Can the people on the plane hear the beacon? (velocity of sound in air is 343 m/s)

Q: A horn emitting a frequency of 1.23 kHz is moving toward a stationary person with a velocity of 165…

A: Given Observed frequency is f0=1.23 kHz Speed of source is vs= 165 km/h Speed of observer is vo=0

Q: A bee is emitting a frequency of 300Hz.  The bee is flying towards you at 2m/s while you are running…

A: The observed frequency when the source is moving towards the observer and the observer is moving…

Q: While running on the sidewalk at 5.2m/s, you hear an ambulance approaching you from behind. It is…

A:

Q: A hiker shouts toward a cliff which is 360m away and hears his echo 2 seconds later. What is the…

A: solution: Given that d = 360 m  t =2 s wavelength = 0.6 Thi

Q: A car moving at 30 m/s is leaving a school alarm that has a frequency of 500 Hz. If the speed of…

A: Given: The speed of the car is 30 m/s away from the school. The actual frequency of the larm is 500…

Q: The speed of sound in air is 321.7 m/s. What is the frequency of a soundwave that has a wavelength…

A: Given data: Speed of sound (v) = 321.7 m/s Wavelength (λ) = 4.91 m Required: Frequency (f)

Q: A siren emitting a frequency of 446 Hz is moving away from a person with a velocity of 105 km/h.…

A: Given Data : The frequency of the siren is given as fs = 446 Hz. The velocity of the siren with…

Q: A passenger on a train approaching a station at 28 m/s hears a bell ringing in the station. Take the…

A:

Q: A fire truck is moving away a stationary observer at 18.2 m/s and has a siren frequency of 790 Hz.…

A: Given    A fire truck is moving away a stationary observer at 18.2 m/s and has a siren frequency of…

Q: As a bat flies toward a wall at a speed of 5.90 m/s , the bat emits an ultrasonic sound wave with…

A:

Q: A sound wave propagating in air has a frequency of 5.0 kHz. What is the change in wavelength when…

A: The velocity of sound Vs in air is given by : Vs= 331Tk273m/s., where Tk is the temperature in…

Q: The speed of sound waves in air is 343 m/sec. If the frequency of the waves is 450 Hz, what are the…

A: Given Speed of sound wave v = 343 m/s Frequency f = 450 Hz

Q: sound wave in a solid has a frequency of 48.0 kHz and a wavelength of 0.333 m. What would be the…

A: Given Frequency of sound wave is f=48×103  Hz Wavelength of sound wave is λ=0.333  m Find the wave…

Q: At what frequency does the prankster hear the yell?

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Q: alarm in a parked car is going off at a frequency of 855.2 Hz. The speed of sound is 343 m/s. As you…

A:

Q: A stationary bat sends a sound wave that travels at a speed of 344m/s. How much time will it take…

A: Velocity of A with respect to B is given B VAB = VA - VB

Q: burglar alarm is wailing with a frequency of 1200. hertz. What frequency does a cop hear who is…

A:

Q: The frequency of a police car’s siren is 1 500 Hz. What is the frequency does a listener hear if the…

A: Given  frequency of a police car’s siren f= 1 500 Hz speed of police car vs=25m/s speed of listener…

Q: An airplane traveling at v = 159 m/s emits a sound of frequency 5.00 kHz. At what frequency does a…

A: Traveling speed of aeroplane v = 159 m/s Frequency of sound f = 5 KHz = 5000 Hz Speed of sound = 344…

Q: A truck travels southbound on a highway at a speed of 14 m/s. A police car, traveling northbound at…

A:

Q: An airplane traveling at v = 164 m/s emits a sound of frequency 5.90 kHz. At what frequency does a…

A:

Q: The speed of sound in air at room temperature is 343 m/s. What is the frequency of a sound wave in…

A: Speed of sound is 343 m/s and wavelength is 1.71m Speed Radio wave is 3×108 m/s and wavelength is…

Q: As an anchor is being hoisted out of water, it hits the hull of the ship, causing the anchor to…

A: GivenFrequencyf = 150 HzSpeed of sound in sea water (v) = 1520 m/sDistance between boat an docean…

Q: Two vehicles are driving, in the same direction, down a highway at 100 km/h. A passenger in the…

A: Given: The actual frequency is 1000 Hz. The speed of the vehicle is 100 km/h in same direction.

Q: If the frequency of a fixed source is 300Hz and the observer is moving with constant velocity…

A:

Q: A whale makes a sound in the water with a frequency of 300 Hz sound moves at a speed of 1400 n/s in…

A:

Q: An object explodes and its sound wave propagates through the sea where the temperature is 37°C. It…

A: given,temperature, T1=37°C =37°+273 K                        =310 KT2=30° =30+273T2=303 K

Q: A source of sound, when stationary, generates wave of frequency 500Hz. The speed of sound is 340m/s.…

A: Frequency , F0 = 500 Hz Speed of sound , v = 340 m/s To find = a) Wavelength                 b)…

Q: is moving away from the listener with a speed of 33m/s, and the listener moves toward the siren with…

A: GivenSpeed of siren, vs=33 m/sSpeed of listenerobserver, vo=8 m/sfrequency of source, f=334 HzSpeed…

Q: A wave has velocity (240m / s) and wavelength (3.2), so the frequency of the wave is equal to: 768Hz…

A: Given:         velocity of wave (v)=240m/s         wavelength of wave(λ)=3.2mwe know that v=λf

Q: A jogger runs at 10 m/s, and is trailed by a hornet moving at 0.7 m/s and emitting a frequency of…

A:

Q: The siren is moving away from the listener with a speed of 43m/s, and the listener is moving toward…

A: Given: The speed of the siren is 43 m/s away from the listener. The speed of the listener is 9 m/s…

Q: A police car traveling at a speed of 30.0 meters per second sounds its siren, which has a frequency…

A: By the principle of Doppler's effect, the perceived frequency fp is given by, fp =…

Q: There was an accident and NASA engineers are trying to sort out where two of their Mars Rovers…

A: In this question we have to determine the location of landing of the rovers of NASA based on the…

Q: A train passes by an little boy at the depot As it moves away from the boy at 65 m/s, the whistle…

A:

Q: An eagle flying at 28 m/s emits a cry whose frequency is 370 Hz. and speed is 11 m/s. A blackbird is…

A: In the given question We have to determine the required frequency which the blackbird hear as the…

Q: Farmer Fred is outside watching an approaching thunderstorm. He sees a bolt of lightning strike due…

A:

Q: A police car traveling at a speed of 30.0 meters per second sounds its siren, which has a frequency…

A:

Q: A piano wire with a mass of 2.75 g and a length of 85 cm is stretched with a tension of 30 N. A wave…

A: Given  mass(m)=2.75 g =0.00275 kg length(l)=85 cm tension(T)=30 N frequency(f)=135 Hz…

Q: A sound wave has a speed of 340 m/s and a wavelength of 15 m. What is the frequency of the sound…

A:

Q: When the frequency of a sound wave is doubled, then: Answer Choices: A.both the velocity and…

A:

Q: As a bat flies toward a wall at a speed of 5.00 m/sm/s , the bat emits an ultrasonic sound wave with…

A:

Q: By increasing one of these 9 times, the speed of the transverse wave on a wire will triple.  Which…

A:

Q: An ambulance whose siren emits a sound wave of frequency 800.0 Hz passes you while you are standing…

A: Frequency of siren = 800 HzObserved frequency of siren = 715.8 HzSpeed of observer = 0 m/s (at rest)…

Q: A stationary motion detector transmits a value of 0. 180 MHz directed toward an approaching vehicle…

A: Given: Transmitted frequency = 0.180 MHz Velocity of vehicle = 43 m/s approaching towards the…

Q: factory siren indicating the end of a shift has a frequency of 87.5 Hz. The speed of sound in air is…

A:

Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.