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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/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....
QUESTION 18 You are traveling North at 5.00 m/s. A truck is behind you also traveling...
QUESTION 18 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, 406...
A car traveling 93 km/h is 250 m behind a truck traveling 83 km/h . How...
A car traveling 93 km/h is 250 m behind a truck traveling 83 km/h . How long will it take the car to reach the truck?
A car traveling 98 km/h is 270 m behind a truck traveling 88 km/h . How...
A car traveling 98 km/h is 270 m behind a truck traveling 88 km/h . How long(in seconds) will it take the car to reach the truck?
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...
A police car sounding a siren with a frequency of 1280 Hz is traveling at 110.0...
A police car sounding a siren with a frequency of 1280 Hz is traveling at 110.0 km/s. a) What frequencies does an observer standing next to the road hear as the car approaches and as it recedes? b) What frequencies are heard in a car traveling at 110.0 km/h in the opposite direction before and after passing the police car? c) The police car passes a car traveling in the same direction at 90.00 km/h. What two frequencies before and...
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 police car sounding a siren with a frequency of 1640 Hz is traveling at 110...
A police car sounding a siren with a frequency of 1640 Hz is traveling at 110 km/h . A What frequencies does an observer standing next to the road hear as the car approaches and as it recedes? B) What frequencies are heard in a car traveling at 90.0 km/h in the opposite direction before and after passing the police car? C) The police car passes a car traveling in the same direction at 80.0 km/h. What two frequencies are...
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 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 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....
QUESTION 18 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, 406...
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...
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?
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