A railroad train is traveling at 30.0 m/s in still air. The frequency of the note emitted by the train whistle is 265 Hz. The speed of sound is 344 m/s. You may want to review (Page). For related problem-solving tips and strategies, you may want to view Video Tutor Solution of Following the police car. ▼ Part A What frequency is heard by a passenger on a train moving in the opposite direction to the first at 18.0 m/s and approaching the first? f= Submit Part B ( Templates Symbols undo do reset keyboard shortcuts ΑΣΦΑ 7 s'help f= Request Answer What frequency is heard by a passenger on a train moving in the opposite direction t the first at 18.0 m/s and receding from the first? " Templates Symbols undo redo reset keyboard shortcuts help 7 Submit Hz Request Answer Hz

A railroad train is traveling at 30.0 m/s in still air. The frequency of the note emitted by the train whistle is 265 Hz. The speed of sound is 344 m/s. You may want to review (Page). For related problem-solving tips and strategies, you may want to view Video Tutor Solution of Following the police car. ▼ Part A What frequency is heard by a passenger on a train moving in the opposite direction to the first at 18.0 m/s and approaching the first? f= Submit Part B ( Templates Symbols undo do reset keyboard shortcuts ΑΣΦΑ 7 s'help f= Request Answer What frequency is heard by a passenger on a train moving in the opposite direction t the first at 18.0 m/s and receding from the first? " Templates Symbols undo redo reset keyboard shortcuts help 7 Submit Hz Request Answer Hz

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A train whistle is heard at 250 Hz as the train approaches town. The train cuts its speed in half as it nears the station, and the sound of the whistle is then 240 Hz. Part A What is the speed of the train before slowing down? Express your answer to two significant figures and include the appropriate units. V1 = Part B Value v2 = What is the speed of the train after slowing down? Express your answer to two significant figures and include the appropriate units. LO μA Units Value ? Units ?
The Wanamaker Pipe Organ in Macy's Center City department store in Philadelphia is the largest working pipe organ in the world. The organ occupies a seven- story hall, and has the longest pipe length of 9.75 m that occupies four floors and can be used as either an open or a closed pipe. Assume that the speed of sound is 345 m/s. a. Calculate the lowest fundamental frequency for the Wanamaker Pipe Organ. b. The highest note on an 88-key piano is 4186 Hz. What would be the length of a pipe open on one end that produced this as a fundamental frequency?
Biologists think that some spiders "tune" strands of their web to give enhanced response at frequencies corresponding to those at which desirable prey might struggle. Orb spider web silk has a typical diameter of 20 μm, and spider silk has a density of 1300 kg/m³. To have a fundamental frequency at 150 Hz, to what tension must a spider adjust a 20 cm - long strand of silk? Express your answer with the appropriate units. T. = μÅ Value Units Review ?
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3 rces The sound of normal breathing is not very loud, with an intensity of about 11 dB at a distance of 1 m away from the face of the breather. Note that in this problem sound intensity in decibels is denoted 3; intensity in W/m² is denoted I View Available Hint(s) distance Ddetect in meters. Ddetect = 3.16 m Submit Previous Answers ✓ Correct Part B In general, if a sound has intensity of 3 dB at 1 m from the source, at what distance de from the source would the decibel level decrease to 0 dB? Since the limit of hearing is 0 dB this would mean you could no longer hear it. Express the distance in terms of B. Be careful about your signs! View Available Hint(s) Submit IVE] ΑΣΦ do 3.55 3 Previous Answers X Incorrect; Try Again; 5 attempts remaining < Return to Assignment Provide Feedback P Pearson m Copyright © 2022 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy Policy | Permissions | Contact Us |
The following velocity vs. time graph for a particle in a sound wave is given. (1) Draw a new velocity vs. time graph with half the loudness Vy of the given wave. 2 And then based on the new velocity vs. time graph, (2) Draw the corresponding position vs. time graph for 1 the particle. 0 A 3 (3) Draw the corresponding acceleration vs. time graph for the particle. -1+ ²+- t
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