7. On a given day, the speed of sound in air is 3434m/s. As an emergency vehicle approaches you, you hear a tone that is 1200Hz. That type of emergency vehicle has a siren that emits a tone that is 1050Hz. (a) What is the speed of the vehicle? (b) As it drives away from you, what tone do you hear?

Q: At 25 C, sound can travel 100 meters across a football field in 0.29 seconds. Determine the velocity…

A: Given The distance travel by sound is d = 100 m. The time taken by the sound is t = 0.29 s. The…

Q: Radio waves transmitted through space at 3.00 X 108 m/s by the Voyager spacecraft have a wavelength…

A:

Q: What frequency is received by a person watching an ambulance "B" moving away from him at 162.5 km/h…

A: speed of sound = 339 m/s frequency emitted = 740 Hz speed of B = 162.5 km/hr  = 45.138 m/s

Q: A group of hikers hears an echo 2.80 s after shouting. How far away is the mountain that reflected…

A:

Q: 13) A sound wave traveling in air has velocity vo; frequency fo and wavelength ho, when it…

A: A sound wave traveling in air has velocity vo; frequency fo and wavelength o, when it encounters a…

Q: The probe used in a medical ultrasound examination emits sound waves in air that have a wavelength…

A:

Q: A sound wave moves through a medium with density 480kg/m^3 when it encounters a medium with density…

A:

Q: Radio waves transmitted through space at 3.00X108 m/s by the Voyager spacecraft have a wavelength of…

A: The frequency of the radio waves can be given by f=cλ

Q: 9. A sound wave moves through a medium with density 560ˍkg/m³ when it encounters a medium with…

A: Given value--- density of medium 1 = 560 kg/m3.  density of medium 2 = 1500 kg/m3.  We have to…

Q: what frequency corresponds the wavelength of 4.3 [m]. If the speed of sound is 343 [m / s

A: Write the given values of the problem- Wavelength(λ) λ=4.3 mSpeed of sound(v)v=343 ms

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 person stands in front of a cliff and gives a shout. 0.5 seconds later ,the person heard the echo.…

A: Option D is the right answer  86.75 m

Q: The speed of sound in vacuum at 250 degree C is: O a. 1.17 m/s O b. 200.275 m/s O C. 386.87 m/s O d.…

A:

Q: In the "Western" films, the actors can be seen putting their ears to a rail to see if the the train…

A: 1. The time taken by the sound to propagate through air is given by, Δair=dvair Here, d is the…

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: Q19) If the velocity of blood flow in the aorta is (0.32) m/s, what is the pulse frequency you would…

A:

Q: A sound wave in a solid has a frequency of 57.0 kHz and a wavelength of 0.333 m. What would be the…

A:

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

A:

Q: The speed of sound in air is given as 340 m/s. What is the wave length of a 318 frequency wave?

A:

Q: bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength…

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: A 71.19 kHz ultrasound wave was aimed at the blood vessels moving towards the machine. If the…

A: Required : Change in the ultrasound frequency.

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

A:

Q: 8. A source of sound waves of frequency 1.0 kHz is stationary. An observer is traveling at 0.50…

A:

Q: 2. Dogs have the ability to hear sounds up to 40,000 Hz. If the speed of sound is 340 m/s, what is…

A:

Q: A light wave and sound wave travelling through air both have the same frequency (4000Hz). Which wave…

A: Velocity of wave is characterised in terms of its frequency and wavelength . Frequency of light wave…

Q: An ultrasonic scan uses the echo waves coming from something moving (such as the beating heart of a…

A: Speed of ultrasound in tissue (v) = 1540 m/s Frequency (f) = 3.80 MHz Speed of heart (v') = 8.50…

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: The speed of sound in vacuum at 100-degree C is: O a. 1.17 m/s O b. 200.275 m/s O c. 386.87 m/s O d.…

A: The speed of sound in vacuum needs to be told.

Q: 3. Someone is speeding on the road at 89 mph (39.8 m/sec). A police car is coming from opposite…

A: “Since you have asked multiple questions, we will solve the first question (Question number 3)  for…

Q: You hear three beats per second when two sound tones are generated. The frequency of one tone is…

A: Answer is Option (F) The expression for find frequency of the other tone is f''=f'±∆f

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: What will most likely happen to a ringing bell if placed inside a bell jar connected to a vacuum…

A: B. Intensity of sound wave will decrease reason--> number of particles decreases as pump sucks…

Q: The wavelength of a wave at 1 kHz in air where the speed of sound is 340 m/s is:  0.34 m…

A: Data Given ,  Frequency in air ( f ) = 1 kHz = 1000 Hz  Speed of the sound ( V ) = 340 m/s We have…

Q: 8.) The average speed of sound in water is approximately 1,500 m/s. If the noise from a boat takes…

A:

Q: 19. A police siren passes you with a frequency of 5000 Hz. Which correctly describes the sound wave…

A: Given that frequency f = 5000  Hz speed of sound v = 340 m/s

Q: An ultrasonic flow meter for measuring flow rate in a square channel uses two transducers that are…

A:

Q: A construction worker taps her hammer on one end of a steel bridge. Her coworker places their ear…

A: Given data: Length of bridge = 2970 m Time taken (t) = 0.5 seconds Speed of sound (V) =?

Q: What is the wavelength of a 256-hertz sound wave in air at 31 degrees Celsius? b Od 0.773 m 8.53 *…

A:

Q: ravels at a speed of 6 m/s with a w

A: The water wave travels at a speed of v = 6 m/s  The wavelength of λ= 200 cm = 2.0 m  Find:-  The…

Q: A light wave and sound wave travelling through air both have the same frequency (4000 Hz). Which…

A: Given data:  Light wave and sound wave have same frequency Frequency (f) = 4000 Hz Speed of sound…

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: The average wavelength in a series of ocean waves is 15.0 m. A wave arrives every 10s, so the…

A:

Q: 1 A train approaching a hill at a speed of 40 km/hr sound a whistle of frequency 580HZ when it is at…

A:

Q: 20. A bat navigates through ultrasonic beeps with a frequency of f the speed of sound towards a…

A:

Stretched string

A stretched string is a wire which is made up of any metal that must have a larger length compared to its thickness. The ends of the wire are fixed, and when they oscillate or are plucked, it produces two reflected transverse waves of the same frequency and same amplitude. The waves or pulses are traveling in alternate directions and superimpose with one another. This waveform is named standing or stationary waves.