Return to BlackboardCutnell, Physics, 11eHelp | System AnnouncementsnentPRINTER VERSION1 BACKNEXTChapter 16, Problem 012The mass of a string is 5.0 x 103 kg, and it is stretched so that the tension in it is 230 N. A transverse wave traveling on this string has a frequency of 150 Hzand a wavelength of 0.59 m. What is the length of the string?NumberUnitsvirthe tolerance is +/-5%1 (TSHOW HINTLINK TO TEXTTalkBy accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor.(TalkQuestion Attempts: 0 of 6 usedSAVE FOR LATERSUBMIT ANSWEREarn Maximum Points available only if youanswer this question correctly in fourattempts or less.0%ks baPage 2 of 2310 wordsOFocusTOGAPR 13.27étv 4

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College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter17: Physics Of Hearing

Section: Chapter Questions

Problem 27PE: (a) Ear trumpets were never very common, but they did aid people with hearing losses by gathering...

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What is the minimum speed at which a source must travel toward you for you to be able to hear that its frequency is Doppler shifted? Thai is, what speed produces a shift of 0.300% on a day when the speed of sound is 331 m/s?
A “showy" custom—built car has two brass horns that are supposed to produce the same frequency but actually emit 263.8 and 264.5 Hz. What beat frequency is produced?
Radio waves transmitted through empty space at the speed of light (v=c=3.00108m/s) by the Voyager spacecraft have a wavelength of 0.120 m. What is their frequency?
A copper wire has a density of =8920 kg/m3, a radius of 1.20 mm, and a length L. The wire is held under a tension of 10.00 N. Transverse waves are sent down the wire. (a) What is the linear mass density of the wire? (b) What is the speed of the waves through the wire?
. A person stands directly in front of Iwo speakers that are emitting the same pure tone. The person then moves to one side until no sound is heard. At that point, the person is 7 in from one of the speakers and 7.2 in from the other. What is the frequency of the tone being emitted?
An airplane moves at Mach 1.2 and produces a shock wave. (a) What is the speed of the plane in meters per second? (b) What is the angle that the shock wave moves?
(a) Ear trumpets were never very common, but they did aid people with hearing losses by gathering sound over a large area and concentrating it on the smaller area of the eardrum. What decibel increase does an ear trumpet produce it its sound gathering area is 900 cm2 and the area of the eardrum is 0.500 cm2, but the trumpet only has an eficiency of 5.00% in transmitting the sound to the eardrum? (b) Comment on the usefulness of the decibel increase found in part (a).
Ultrasound equipment used in the medical profession uses sound waves of a frequency above the range of human hearing. If the frequency of the sound produced by the ultrasound machine is f=30 kHz, what is the wavelength of the ultrasound in bone, if the speed of sound in bone is v=3000 m/s?
A sunbather stands waist deep in the ocean and observes that six crests of periodic surface waves pass each minute. The crests are 16.00 meters apart. What is the wavelength, frequency, period, and speed of the waves?
A sound wave is modeled with the wave function P=1.20Pasin(kx6.28104s1t) and the sound wave travels in air at a speed of v=343.00 m/s. (a) What is the wave number of the sound wave? (b) What is the value for P(3.00 m, 20.00 s)?
A sound wave is modeled as P=1.80Pasin(55.41m1x18,840s1t) . What is the maximum change in pressure, the wavelength, the frequency, and the speed of the sound wave?
A guitar string oscillates at a frequency of 100 Hz and produces a sound wave. (a) What do you think the frequency of the sound wave is that the vibrating string produces? (b) If the speed of the sound wave is v=343 m/s, , what is the wavelength of the sound wave?

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