Two trains on separate tracks move toward each other. Train 1 has a speed of 113 km/h; train 2, a speed of 81.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1? Hz
Q: 6) A stationary bird watcher sees a hawk flying directly towards him with a speed of 112 m/s [Vs].…
A:
Q: a. What frequency (in Hz) is received by a person watching an oncoming ambulance moving at 118 km/h…
A: *The ambulance moving at a speed is vs = 118 km/h = 32.78 m/s *The emitting frequency is f0 = 600 Hz…
Q: Two cars are each traveling at 27.0 m/s, and they are approaching each other. The security alarm in…
A:
Q: Two trains on separate tracks move toward each other. Train 1 has a speed of 129 km/h; train 2, a…
A: Given, speed of the train 1 (observer), vo = 129 kmh speed of train 2 (source), vs = 89.0 kmh…
Q: Two trains on separate tracks move toward each other. Train 1 has a speed of 130 km/h; train 2, a…
A:
Q: Deep ultrasonic heating is used to promote healing of torn tendons. It is produced by applying…
A: Given data: The radius of the transducer, r=1.20 cm=0.012 m The intensity of sound produced,…
Q: Two train whistles, A and B, each have a frequency of 392 Hz. A is stationary and B is moving toward…
A: Frequency of the whistles from the trains A and B f=392 Hz and speed of train A vsA=0 and that of…
Q: Two cars approach each other, each moving with a speed of 50 m/s, when one car starts to beep its…
A: Wavelength of the horn heard by the other driver. given, speed of carsvc=50 m·s-1frequencyf=475…
Q: A train sounds a horn that vibrates at a frequency of 400Hz, as heard by the engineer aboard the…
A: Recall Apparent frequency=f then f=V±VDV±VsWhere V=speed of sound VD=speed of detector…
Q: A person is standing 20 meters away from a wall. They clap their hands, creating a sound that…
A: The distance between the person and the wall is 20 meters.The speed of sound in air is 343 meters…
Q: Two submarines A and B are approaching each other along a straight line as shown below. The speed of…
A:
Q: Tina is driving her sports car down US1, traveling 27 m/s. She sees her friend Rita up ahead,…
A:
Q: Ultrasound reflected from an oncoming bloodstream that is moving at 21.0 cm/s is mixed with the…
A:
Q: You are traveling north on a highway moving at 23 m/sec. A police car is traveling toward you going…
A: It is given that
Q: Q14. A missile with a top speed of 3450 km/h is launched in the air. If the temperature of the air…
A: Speed of missile in air is 3450 km/h Temperature of air is 32oC = (32 + 273) K = 305 K Speed of…
Q: The windpipe of a typical whooping crane is about 4.6 ft long. What is the lowest resonant frequency…
A:
Q: Deep ultrasonic heating is used to promote healing of torn tendons. It is produced by applying…
A: Radius, R = 1.74 cm = 0.0174 mIntensity, I = 5.18×10³ W/m²Energy, E = 3530 J
Q: Two aircraft engines are running at slightly different rates. One produces a sound of 826.0 Hz. The…
A: Given data: The frequencies of two aircraft engines f1 = 826.0 Hz f2 = 836.0 Hz Required: The…
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: train moves down the track at 107 mph when the engineer sees a second train, on a side track, headed…
A: This is a case of Doppler's effect which relates observed frequency with actual frequency when both…
Q: You see an approaching train while standing on a railway platform. It blows its whistle, which you…
A: Given: Frequency of the source train: fs=500 [Hz] Frequency heard by stationery observer: f0=100…
Q: A train is moving parallel and adjacent to a highway with a constant speed of 20.0 m/s. A car is…
A:
Q: An organ pipe is open at both ends. The frequency of the fourth mode is 316 Hz higher than the…
A: f4-f3=316 HzVelocity of sound= 340 m/s
Q: Two loudspeakers emit 600 HzHz notes. One speaker sits on the ground. The other speaker is in the…
A:
Q: Tina is driving her sports car down US1, traveling 27 m/s. She sees her friend Rita up ahead,…
A:
Q: An a given situation a source emits sound with a frequency of 1100 Hz If the source is moving at 40…
A:
Q: The prey moves towards The speed of the prey, Vprey = 13.52 x Units m/s What frequency will the bat…
A:
Q: A source of sound waves of frequency 1.00 kHz is traveling through the air at 0.800 times the speed…
A: Given frequency of emitted sound = f = 1.00 kHz speed of source = Vsource = 0.008 × Vsound We have…
Q: A truck is moving at 35 meters/second. The car horn on the truck emits a 235 Hz sound. The speed of…
A: Given Speed of the truck is vs=35 m/s Speed of sound is given ass v=343 m/s Frequency emitted by the…
Q: Two trains on separate tracks move toward one another. Train 1 has a speed of 100 km/h, train 2 a…
A:
Q: Ultrasound reflected from an oncoming bloodstream that is moving at 30.0 cm/s is mixed with the…
A: The observed frequency is, f=f0v+v0v-v0 Thus, f=2.50×106Hz1540 m·s-1+0.300 m·s-11540 m·s-1-0.300…
Q: Two eagles fly directly toward one another, the first at 15.0 m/s and the second at 26.0 m/s. Both…
A:
Q: 4. An observer is standing on the platform of a railway station. A train goes through the station…
A: Speed of sound in air is Decrease in sound when the vehicle crosses the observer is Find:The speed…
Q: A 38.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at…
A: The frequency of the sound wave is f=38.0 Hz The sound intensity level is L=60 dB The density of air…
Step by step
Solved in 2 steps with 2 images
- Please have answers computer typed.A convertible moves toward you and then passes you; all the while, its loudspeakers are producing a sound. The speed of the car is a constant 8.93 m/s, and the speed of sound is 342 m/s. What is the ratio of the frequency you hear while the car is approaching to the frequency you hear while the car is moving away? Number Units > #3 C E m/s 7 8 5 % JU 6 וום & e t y u Apr 30 5 6 0Two trains on separate tracks move toward one another. Train 1 has a speed of 120 km/h, train 2 a speed of 65.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1? (Assume the speed of sound is 345 m/s.) Hz
- A train is moving parallel and adjacent toa highway with a constant speed of 34 m/s.A car is traveling in the same direction as thetrain at 65 m/s. The train’s whistle sounds at380 Hz.When the car is behind the train what frequency does an occupant of the car observefor the train whistle? The speed of sound is343 m/s.Answer in units of HzWhile driving down the road, you spot a friend standing on the sidewalk. You honk your horn at them while driving 60 km/h. Your horn emits a frequency of 330 Hz. V sound = : 343 m/s a. What frequency does your friend hear as you approach? 347 Hz b. What frequency does your friend hear after you pass by? 315 HzPerson A is holding a speaker which is emitting sound of frequency of 520 Hz and passes person B. What is the maximum frequency heard by person B if the velocity of person A is 2 m-s'.
- Two motors sitting near each other in a factory at slightly different rates. One runs at 805.0 rpm and the other at 775.0 rpm. You hear the combined sound intensity from the motors increase and then decrease periodically due to wave interference. What is the period of beats in seconds?3. A bystander hears a siren vary in frequency from 598 Hz to 364 Hz as a fire truck approaches, passes by, and moves away on a straight street. What is the speed of the truck? (Take the speed of sound in air to be 343 m/s.) m/s f60 ss f60 s ssfo ssf60 sA truck travelling west at 60 m/s sounds it's 440 hz horn as it passes an observer riding a bike traveling east at 20 m/s. What frequency does the observer hear as the car approaches?
- Two trains on separate tracks move toward each other. Train 1 has a speed of 149 km/h; train 2, a speed of 95.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1?A red train is stationary and a green train is moving forward away from the red train at a speed of 28 m/s. Between the trains, is a bicyclist moving towards the stationary red train at a speed of 15.3 m/s. each train has a whistle with a frequency of 349 Hz. the air temperature is 2 degrees celsius. What are the frequencies of the whistles heard by the bicyclist, coming from the green and red trains? PLEASE INCLUDE UNITS AND ROUND TO 4TH DECIMALS PLACE.Two trains emit 559 Hz whistles. One train is stationary. The conductor on the stationary train hears a 3.3 Hz beat frequency when the other train approaches. What is the speed of the moving train?