A sonar system fixed in a submarine operates at a frequency 50.0 kHz .An enemy submarine moves towards the sonar with a speed of 450 km/h what is the frequency of sound reflected by the submarine ?
Q: A typical sound level for a buzzing mosquito is 35 dB, and that of a vacuum cleaner is approximately…
A: Given, sound level for a buzzing mosquito=35dB sound level for vacuum cleaner=65dB
Q: The sound from a truck moving at 37m/s reflects from a cliff and is heard by an observer on the…
A: Given data: Speed of sound from truck is, vt=37 m/s. Initial wavelength of sound wave is, λ=0.15 m.…
Q: A loudspeaker emits a sound wave at a particular frequency. If the intensityof the wave is doubled,…
A:
Q: What are the longest and shortest wavelengths of sound that can be heard by a bat in air where the…
A: Bats use echolocation to navigate and hunt, emitting ultrasonic sounds and then analyzing the echoes…
Q: Red Light in air has a frequency of 4.3 x 104 Hz. What is the speed in glass for red light if it has…
A:
Q: dolphin uses echolocation underwater to “see” its surroundings. If the speed of sound in the ocean…
A: Find the time taken by the dolphin to hear an echo. ∆t=2dv
Q: It is found that the intensity level of sound from a loudspeaker is 35 dB at a distance of 35 m from…
A: Approach to solving the question:Sound intensity and power relationshipDetailed explanation:
Q: Increased shipping represents a global threat to marine life. A phenomenon known as the bow…
A:
Q: A bat emits ultrasonic sound of frequency 1000HZ in air. If this sound meets water surface, What is…
A: The wavelength of reflected sound:-λref=vairf=340 m/s1000 Hz=0.34 m
Q: A bat can detect small objects that are roughly the same size as the wavelength of the sound they…
A: Given data: Frequency (f) = 60 kHz Speed (v) = 330 m/s Required: Wavelength (λ)
Q: Bats can detect small objects such as insects that are of a size approximately that of one…
A:
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 whistle you use to call your hunting dog has a frequency of 42 kHz, but your dog is ignoring it.…
A: Given: frequency, f = 42 Hz Apparent frequency, f' = 40 Hz
Q: An audio device sends out audio waves at frequency 4kHz. Draw a wave and then calculate the distance…
A:
Q: n airplane traveling at 130 m/s emits a sound of frequency 9.25 kHz. What frequency does a…
A: Doppler effect in physics is defined as the increase (or decrease) in the frequency of sound, light,…
Q: You are in a cave where the speed of sound is 340 m/s. If you shout from one end and hear your echo…
A: Given: The speed of the sound is 340 m/s. The time taken by the echo is 0.4 s. To…
Q: An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic sound that travels 1530…
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: The prey moves towards The speed of the prey, Vprey = 13.52 x Units m/s What frequency will the bat…
A:
Q: b.) A sound has an initial volume of 55.0 dB. The volume suddenly increases to 87.0 dB. By what…
A: To find the factor by which the sound intensity increased, we can use the formula that relates the…
Q: A car is moving to the right blasting the "Cantina Band" song from Star Wars IV A New Hope. The car…
A:
Q: A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the…
A: Given :- n=500 hz, d=450m Introduction:- The time interval between two successive compressions is…
Q: A loud whistle moves with a constant velocity of 2.5 m/s against a vertical wall perpendicular to…
A:
Q: A sonar signal of frequency 1 x 10^6 Hz has a wavelength of 1.5 mm in water. a) What is the speed of…
A: The speed of sonar wave in water was calculated by the equation: v = fλ where, λ is wavelength of…
Q: The velocity of sound in air is approximately 330 m/s. a) Given that, what is the frequency of a…
A:
Q: While standing next to the main entrance of the E-building a LaGuardia student notices an ambulance…
A:
Q: The sound produced by the speakers at a rock concert has a power of 0.141 W. What sound intensity do…
A: Given Power is given as P=0.141 W Distance of the person from the speakers is r=16.5 m We have to…
Q: Last year, to honor doctors and nurses fighting COVID-19 in Greater New Orleans area, the US…
A:
Q: There are Doppler effect blood flow meters that are based on the reflection of sound from red blood…
A:
Q: The sound level 23.8 m from a loudspeaker is 66.7 dB. What is the rate at which sound energy is…
A:
Q: q31 A sound wave radiates from a speaker in all directions. If the power of the sound source is 400…
A:
Q: A car is moving to the left at 25 m/s while a truck is moving to the right at s 20m/s. If the truck…
A:
Q: The scream of a little screaming monster reaches the near-side of a sound-insulating wall with an…
A:
Q: An observer is riding a bike with a speed of 5 m/s. The ice cream van emitting a sound with a…
A: Given: The observer is riding a bike with a speed of vo=5 m/s, The ice cream van emitting a sound…
Q: What is the fundamental frequency for a 60 cm banjo string if the speed of waves on the string is…
A:
Q: A bottlenose dolphin swims at 25.0 m/ away from an anchored acoustic buoy floating in the water. The…
A:
Step by step
Solved in 3 steps