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QUESTION 18 You are traveling North at 5.00 m/s. A truck is behind you also traveling...
You are traveling North at 5.00 m/s. A truck is behind you, also traveling North, at...
You are traveling North at 5.00 m/s. A truck is behind you, also traveling North, at 35.0 m/s. The truck blows its horn, which produces an actual frequency of 370 Hz. The truck passes you, and blows its horn again. Below are shown pairs of frequencies, one for before the truck passes and one for after the truck passes. Which of the pairs of frequencies is correct for what you will hear? A. Before, 406 Hz. After, 341 Hz. B....
You are traveling North at 5.00 m/. A truck is behind you also traveling North, at...
You are traveling North at 5.00 m/. A truck is behind you also traveling North, at 35.0 m/s. The truck blows its horn, which produces an actual frequency of 370 Hz. The truck passes you, and blows its horn again. Below are shown pairs of frequencies, one for before the truck passes and one for after the truck passes. Which of the pairs of frequencies is correct for what you will hear? O A Before, 341 Hz. After 406 Hz....
A motorcyclist is traveling north on a road at a speed of 21.0 m/s. A police...
A motorcyclist is traveling north on a road at a speed of 21.0 m/s. A police car, traveling south at a speed of 33.0 m/s, approaches with its siren producing sound at a frequency of 2550 Hz. (Enter your answers in Hz. Assume that the speed of sound in air is 343 m/s.) (a) What frequency does the motorcyclist observe as the police car approaches? (Enter your answer to the nearest integer.) Hz (b) What frequency does the motorcyclist detect...
A 1200·kg car traveling with a velocity of 12·m/s north collides head-on with a 2400·kg truck...
A 1200·kg car traveling with a velocity of 12·m/s north collides head-on with a 2400·kg truck traveling with a velocity of 8·m/s south. Immediately after the collision, the velocity of the car is 4·m/s south. Take north as the positive direction (a) What is the velocity of the truck immediately after the collision? (b) What impluse is delivered to the car by the truck? (c) What impluse is delivered to the truck by the car?
A trailer truck traveling east at 24.0 m/s sounds a 600 Hz horn. What is the...
A trailer truck traveling east at 24.0 m/s sounds a 600 Hz horn. What is the wavelength of the sound heard by a stationary listener located west of the truck? (The speed of sound is 336 m/s)
A 1500-kg car traveling east at 50 m/s collides with a 2200-kg truck traveling north at...
A 1500-kg car traveling east at 50 m/s collides with a 2200-kg truck traveling north at 66 m/s. The car and truck become entangled and slide to a stop. What is the final speed immediately after the collision? What angle with respect to the east direction do the entangled vehicles slide?
You are driving a massive truck and become stuck at a railway crossing. Your truck completely...
You are driving a massive truck and become stuck at a railway crossing. Your truck completely blocks the railway tracks, which extend in a straight line in both directions. You hear a train approaching when it toots its horn. (a) Let /1 be the intensity of the sound you hear from the horn initially, and 12-70 dB the sound when the train is at half the original distance. ) Calculate the intensity of the horn, 11, in dB. i) Calculate...
2. A trailer truck traveling east at 20.0 m/s sounds a 900 Hz horn. What is...
2. A trailer truck traveling east at 20.0 m/s sounds a 900 Hz horn. What is the wavelength of the sound heard by a stationary listener located west of the truck? (The speed of sound is 338 m/s) meters
A car traveling at a constant speed of 29.0 m/s passes a trooper hidden behind a...
A car traveling at a constant speed of 29.0 m/s passes a trooper hidden behind a billboard. One second after the speeding car passes the billboard, the trooper sets off in chase with a constant acceleration of 2.90 m/s2. How long does it take the trooper to overtake the speeding car?
A bicyclist rides at ?B=8.0 m/s towards the north. A car is moving at ?C=25 m/s, also towards the north, and is initially behind the rider. A truck is moving at ?T=15 m/s towards the south, approaching the bicycle and the car.
A bicyclist rides at ?B=8.0 m/svB=8.0 m/s towards the north. A car is moving at ?C=25 m/s,vC=25 m/s, also towards the north, and is initially behind the rider. A truck is moving at ?T=15 m/svT=15 m/s towards the south, approaching the bicycle and the car.
You are traveling North at 5.00 m/s. A truck is behind you, also traveling North, at 35.0 m/s. The truck blows its horn, which produces an actual frequency of 370 Hz. The truck passes you, and blows its horn again. Below are shown pairs of frequencies, one for before the truck passes and one for after the truck passes. Which of the pairs of frequencies is correct for what you will hear? A. Before, 406 Hz. After, 341 Hz. B....
You are traveling North at 5.00 m/. A truck is behind you also traveling North, at 35.0 m/s. The truck blows its horn, which produces an actual frequency of 370 Hz. The truck passes you, and blows its horn again. Below are shown pairs of frequencies, one for before the truck passes and one for after the truck passes. Which of the pairs of frequencies is correct for what you will hear? O A Before, 341 Hz. After 406 Hz....
A 1500-kg car traveling east at 50 m/s collides with a 2200-kg truck traveling north at 66 m/s. The car and truck become entangled and slide to a stop. What is the final speed immediately after the collision? What angle with respect to the east direction do the entangled vehicles slide?
You are driving a massive truck and become stuck at a railway crossing. Your truck completely blocks the railway tracks, which extend in a straight line in both directions. You hear a train approaching when it toots its horn. (a) Let /1 be the intensity of the sound you hear from the horn initially, and 12-70 dB the sound when the train is at half the original distance. ) Calculate the intensity of the horn, 11, in dB. i) Calculate...
2. A trailer truck traveling east at 20.0 m/s sounds a 900 Hz horn. What is the wavelength of the sound heard by a stationary listener located west of the truck? (The speed of sound is 338 m/s) meters
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