Inquiry into Physics
8th Edition
ISBN: 9781337515863
Author: Ostdiek
Publisher: Cengage
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Chapter 6, Problem 5Q
To determine
The type of wave generated when Joe. E. Clumsy stumbles into the back of the person at the end and pushes hard enough in the long row of people who are lined up behind one another at a service window.
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What is the frequency of the sound wave in the air when the temperature is 350 K and the wavelength is 0.7 m?
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C = 331 m/s)
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An arcratt at an altitude of 8km vwhere the temperature is 32 C". Find the mach number and dlassify as sonic, subsonic and supersonic when the speed of aircraft is () 30 m/sec (i) 300 m/sec (i) 1000 m/sec.
A sound wave is determined to have a trequency of 1,000 Hz and a wavelength of 35 cm. a) Determine the speed of this wave. b) If the sound wave in the previous question is measured in air, what is the temperatureof the air in deg. C?
Chapter 6 Solutions
Inquiry into Physics
Ch. 6 - An astronomer measures the speed of recession of a...Ch. 6 - Prob. 2AACh. 6 - Prob. 1MACh. 6 - Prob. 1PIPCh. 6 - Prob. 2PIPCh. 6 - Prob. 1MIOCh. 6 - Prob. 1QCh. 6 - (Indicates a review question, which means it...Ch. 6 - (Indicates a review question, which means it...Ch. 6 - (Indicates a review question, which means it...
Ch. 6 - Prob. 5QCh. 6 - Prob. 6QCh. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 8QCh. 6 - Prob. 9QCh. 6 - Prob. 10QCh. 6 - Prob. 11QCh. 6 - Prob. 12QCh. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 14QCh. 6 - (Indicates a review question, which means it...Ch. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 17QCh. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 19QCh. 6 - Prob. 20QCh. 6 - Prob. 21QCh. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 23QCh. 6 - Prob. 24QCh. 6 - Prob. 25QCh. 6 - Prob. 26QCh. 6 - Prob. 27QCh. 6 - Prob. 28QCh. 6 - Prob. 29QCh. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 31QCh. 6 - Prob. 32QCh. 6 - Prob. 33QCh. 6 - Prob. 34QCh. 6 - Prob. 35QCh. 6 - Prob. 36QCh. 6 - (Indicates a review question, which means it...Ch. 6 - Prob. 38QCh. 6 - Prob. 39QCh. 6 - Two children stretch a jump rope between them and...Ch. 6 - The force stretching the D string on a certain...Ch. 6 - What is the speed of sound in air at the normal...Ch. 6 - The coldest and hottest temperatures ever recorded...Ch. 6 - A 4-Hz continuous wave travels on a S1ink. If the...Ch. 6 - A 500-Hz sound trave1s through pure oxygen. The...Ch. 6 - Prob. 7PCh. 6 - What frequency of sound traveling in air at 20°C...Ch. 6 - Prob. 9PCh. 6 - . What is the wavelength of 3.5 million Hz...Ch. 6 - . The frequency of middle C on the piano is 261.6...Ch. 6 - . A cable with total length 30 m and mass 100 kg...Ch. 6 - . In a student laboratory exercise, the wavelength...Ch. 6 - . A 1,720-Hz pure tone is played on a stereo in an...Ch. 6 - . A person stands directly in front of Iwo...Ch. 6 - . Ultrasound probes can resolve structural details...Ch. 6 - . A sonic depth gauge is placed 5 m above the...Ch. 6 - . The huge volcanic eruption on the island of...Ch. 6 - . A baseball fan sitting in the cheap seals” is...Ch. 6 - . A geologist is camped 8,000 m (5 miles) from a...Ch. 6 - . A person stands at a point 300 m in front of the...Ch. 6 - . A sound pulse emitted underwater reflects off a...Ch. 6 - . The sound level measured in a room by a person...Ch. 6 - . Approximately how many times louder is a 100-dB...Ch. 6 - Prob. 25PCh. 6 - . The frequency of the highest note on the piano...Ch. 6 - Prob. 1CCh. 6 - Prob. 2CCh. 6 - Jack and Jill go for a walk along an abandoned...Ch. 6 - Prob. 4CCh. 6 - An entrepreneur decides to invent and market a...Ch. 6 - Prob. 6CCh. 6 - Prob. 7CCh. 6 - The frequency of the lowest note played on a flute...Ch. 6 - Prob. 9C
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- What is the difference between propagation speed and the frequency of a mechanical wave? Does one or both affect wavelength? If so, how?arrow_forward(a) Seismographs measure the arrival times of earthquakes with a precision of 0.100 s. To get the distance to the epicenter of the quake, geologists compare the arrival times of S- and P-waves, which travel at different speeds. If S- and P-waves travel at 4.00 and 7.20 km/s, respectively, in the region considered, how precisely can the distance to the source of the earthquake be determined? (b) Seismic waves from underground detonations of nuclear bombs can be used to locate the test site and detect violations of test bans. Discuss whether your answer to (a) implies a serious limit to such detection. (Note also that the uncertainty is greater if there is an uncertainty in the propagation speeds of the S- and P-waves.)arrow_forwardA student holds a vibrating tuning fork of frecquency 440 Hz above an ain column with one end open and one end closed, having length E, and producing resonance (meaning a standing wave is created) iit comesponds ito the first harmonic. A) What is the wavelength of the standing wave? Show all work! B) How many nodes and anti-nodes are there in thiis tirst barmonic C) For the same set up, if a tuning fork with twice the dtequency is used,williherg be a standing wave (al the next harmonic) in the air column? Justify your reasoning.arrow_forward
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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? That is, what speed produces a shift of 0.300% on a day when the speed of sound is 331 m/s?arrow_forwardConsider the superposition of three wave functions y(x,t)=3.00cmsin(2m1x3s1t) , y(x,t)=3.00cmsin(6m1x+3s1t) , and y(x,t)=3.00cmsin(2m1x4s1t) . What is the height of the resulting wave at position x=3.00 m at time t=10.0 s?arrow_forwardA 4.0-m-long pipe, open at both ends, is placed in a room where the temperature is T=25C . A speaker capable of producing variable frequencies is placed at the open end and is used to cause the tube to resonate. (a) What are the wavelength and the frequency of the fundamental frequency? (b) What are the frequency and wavelength of the first overtone?arrow_forward
- Consider a sound wave moving through the air modeled with the equation s(x,t)=6.00nmcos(54.93m1x18.84103s1t) . What is the shortest time required for an air molecule to move between 3.00 nm and -3.00 nm?arrow_forwardA 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?arrow_forward(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically involve integrating or extending the concepts presented thus far.) Why are the Doppler effect and diffraction not as commonly experienced with light as they are with sound?arrow_forward
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