A certain organ pipe, open at both ends, produces a fundamentalfrequency of 275 Hz in air.Part AIf the pipe is filled with helium at the same temperature, what fundamental frequency fHe will it produce? Take the molar mass of air to be 28.8 g/mol and the molarmass of helium to be 4.00 g/mol.Express your answer in hertz.► View Available Hint(s)fHe = 806 HzSubmitPrevious AnswersCorrectCorrect answer is shown. Your answer 805.9 Hz was either rounded differently or used a different number of significant figures than required for this part.Because helium is less dense than air and has a lower molar mass, sound waves propagate faster in helium than in air. Thus, the frequencies produced inthe pipe when it is filled with helium are higher than those produced in the same pipe filled with air.Part BNow consider a pipe that is stopped (i.e., closed at one end) but still has a fundamental frequency of 275 Hz in air. How does your answer to Part A, ƒHe, change?► View Available Hint(s)OfHe decreases.fHe increases.OfHe stays the same.Submit Request Answer

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A certain organ pipe, open at both ends, produces a fundamental frequency of 275 Hz in air. If the pipe is filled with helium at the same temperature, what fundamental frequency file will it produce? Take the molar mass of air to be 28.8 g/mol and the molar mass of helium to be 4.00 g/mol. Express your answer in hertz. ▸ View Available Hint(s) file = 806 Hz Submit Previous Answers ✓ Correct Correct answer is shown. Your answer 805.9 Hz was either rounded differently or used a different number of significant figures than required for this part. helium than in air. Thus, the frequencies produced in Because helium sless dense than air and has a lower molar mass, sound waves propagate faster the pipe when it is filled with helium are higher than those produced in the same pipe filled with air. Part B Now consider a pipe that is stopped (i.e., closed at one end) but still has a fundamental frequency of 275 Hz in air. How does your answer to Part A. fe. change? ► View Available Hint(s) OfHe decreases. O file increases. OfHe stays the same. Submit Request Answer

A certain organ pipe, open at both ends, produces a fundamental frequency of 275 Hz in air. If the pipe is filled with helium at the same temperature, what fundamental frequency file will it produce? Take the molar mass of air to be 28.8 g/mol and the molar mass of helium to be 4.00 g/mol. Express your answer in hertz. ▸ View Available Hint(s) file = 806 Hz Submit Previous Answers ✓ Correct Correct answer is shown. Your answer 805.9 Hz was either rounded differently or used a different number of significant figures than required for this part. helium than in air. Thus, the frequencies produced in Because helium sless dense than air and has a lower molar mass, sound waves propagate faster the pipe when it is filled with helium are higher than those produced in the same pipe filled with air. Part B Now consider a pipe that is stopped (i.e., closed at one end) but still has a fundamental frequency of 275 Hz in air. How does your answer to Part A. fe. change? ► View Available Hint(s) OfHe decreases. O file increases. OfHe stays the same. Submit Request Answer

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter17: Sound

Section: Chapter Questions

Problem 82P: A crude approximation of voice production is to consider the breathing passages and mouth to be a...

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