- 12.1Q: What is the evidence that sound travels as a wave?
- 12.2Q: What is the evidence that sound is a form of energy?
- 12.3Q: Children sometimes play with a homemade “telephone” by attaching a ...
- 12.4Q: When a sound wave passes from air into water, do you expect the fre...
- 12.6Q: The voice of a person who has inhaled helium sounds very high-pitch...
- 12.5Q: What evidence can you give that the speed of sound in air does not ...
- 12.7Q: How will the air temperature in a room affect the pitch of organ pi...
- 12.8Q: Explain how a tube might be used as a filter to reduce the amplitud...
- 12.9Q: Why are the frets on a guitar (Fig. 12-30) spaced closer together a...
- 12.10Q: A noisy truck approaches you from behind a building. Initially you ...
- 12.11Q: Standing waves can be said to be due to “interference in space," wh...
- 12.12Q: In Fig. 12-16, if the frequency of the speakers is lowered, would t...
- 12.13Q: Traditional methods of protecting the hearing of people who work in...
- 12.14Q: Consider the two waves shown in Fig. 12-31. Each wave can be though...
- 12.15Q: Is there a Doppler shirt if the source and observer move in the sam...
- 12.16Q: If a wind is blowing, will this alter the frequency of the sound he...
- 12.17Q: Figure 12-32 shows various positions of a child on a swing moving t...
- 12.1P: assume T = 20°C and vsound = 343 m/s in air.A hiker determines the ...
- 12.2P: assume T = 20°C and vsound = 343 m/s in air.A sailor strikes the si...
- 12.3P: assume T = 20°C and vsound = 343 m/s in air. (a) Calculate the wave...
- 12.4P: assume T = 20°C and vsound = 343 m/s in air.An ocean fishing boat i...
- 12.5P: assume T = 20°C and vsound = 343 m/s in air.A stone is dropped from...
- 12.6P: assume T = 20°C and vsound = 343 m/s in air.A person, with his ear ...
- 12.10P: If two firecrackers produce a sound level of 95 dB when fired simul...
- 12.11P: A person standing a certain distance from an airplane with four equ...
- 12.12P: A cassette player is said to have a signal-to-noise ratio of 58 dB,...
- 12.76GP: A tuning fork is set into vibration above a vertical open tube fill...
- 12.13P: (a) Estimate the power output of sound from a person speaking in no...
- 12.14P: A 50-dB sound wave strikes an eardrum whose area is 5.0 × 10?5 m2. ...
- 12.15P: Expensive amplifier A is rated at 250 W, while the more modest ampl...
- 12.16P: At a rock concert, a dB meter registered 130 dB when placed 2.8 m i...
- 12.17P: Human beings can typically detect a difference in sound level of 2....
- 12.87GP: A bat emits a series of high-frequency sound pulses as it approache...
- 12.88GP: The ‘'alpenhorn" (Fig. 12-42) was once used to send signals from on...
- 12.18P: If the amplitude of a sound wave is tripled, (a) by what factor wil...
- 12.19P: Two sound waves have equal displacement amplitudes, but one has twi...
- 12.91GP: The intensity at the threshold of hearing for the human ear at a fr...
- 12.25P: An organ pipe is 112 cm long. What are the fundamental and first th...
- 12.47P: Two piano strings are supposed to be vibrating at 132 Hz, but a pia...
- 12.48P: A source emits sound of wavelengths 2.64 m and 2.76 m in air. How m...
- 12.49P: The predominant frequency of a certain fire engine’s siren is 1550 ...
- 12.50P: You are standing still. What frequency do you detect if a fire engi...
- 12.51P: (a) Compare the shift in frequency if a 2000-Hz source is moving to...
- 12.52P: Two automobiles are equipped with the same single frequency horn. W...
- 12.53P: A bat at rest sends out ultrasonic sound waves at 50.0 kHz and rece...
- 12.54P: A bat flies toward a wall at a speed of 5.0 m/s. As it flies, the b...
- 12.55P: In one of the original Doppler experiments, a tuba was played on a ...
- 12.56P: A Doppler flow meter uses ultrasound waves to measure blood-flow sp...
- 12.57P: The Doppler effect using ultrasonic waves of frequency 2.25 × 106 H...
- 12.58P: A factory whistle emits sound of frequency 570 Hz. When the wind ve...
- 12.59P: (a) How fast is an object moving on land if its speed at 20°C is Ma...
- 12.60P: An airplane travels at Mach 2.3 where the speed of sound is 310 m/s...
- 12.61P: A space probe enters the thin atmosphere of a planet where the spee...
- 12.62P: A meteorite traveling 8500 m/s strikes the ocean. Determine the sho...
- 12.63P: Show that the angle ? a sonic boom makes with the path of a superso...
- 12.64P: You look directly overhead and see a plane exactly 1.5 km above the...
- 12.65GP: A fish finder uses a sonar device that sends 20,000-Hz sound pulses...
- 12.66GP: Approximately how many octaves are there in the human audible range?
- 12.67GP: A science museum has a display called a sewer pipe symphony. It con...
- 12.68GP: A single mosquito 5.0 m from a person makes a sound close to the th...
- 12.69GP: What is the resultant sound level when an 82-dB sound and an 87-dB ...
- 12.70GP: The sound level 12.0 m from a loudspeaker, placed in the open, is 1...
- 12.71GP: A stereo amplifier is rated at 150 W output at 1000 Hz. The power o...
- 12.72GP: Workers around jet aircraft typically wear protective devices over ...
- 12.73GP: In audio and communications systems, the gain, ?, in decibels is de...
- 12.74GP: Each string on a violin is tuned to a frequency times that of its n...
- 12.75GP: The A string of a violin is 32 cm long between fixed points with a ...
- 12.77GP: A 75-cm-long guitar string of mass 2.10 g is near a tube that is op...
- 12.78GP: A highway overpass was observed to resonate as one full loop when a...
- 12.79GP: A person hears a pure tone in the 500–1000-Hz range coming from two...
- 12.80GP: Two trains emit 424-Hz whistles. One train is stationary. The condu...
- 12.81GP: The frequency of a steam train whistle as it approaches you is 538 ...
- 12.82GP: At a race track, you can estimate the speed of cars just by listeni...
- 12.83GP: Two open organ pipes, sounding together, produce a beat frequency o...
- 12.84GP: Two loudspeakers are at opposite ends of a railroad car as it moves...
- 12.85GP: If the velocity of blood flow in the aorta is normally about 0.32 m...
- 12.86GP: A bat flies toward a moth at speed 6.5 m/s while the moth is flying...
- 12.89GP: Room acoustics for stereo listening can be compromised by the prese...
- 12.90GP: A dramatic demonstration, called “singing rods,” involves a long, s...
- 12.92GP: A plane is traveling at Mach 2.0. An observer on the ground hears t...
- 12.93GP: The wake of a speedboat is 15° in a lake where the speed of the wat...
- 12.7P: assume T = 20°C and vsound = 343 m/s in air.Calculate the percent e...
- 12.8P: What is the intensity of a sound at the pain level of 120 dB? Compa...
- 12.9P: What is the sound level of a sound whose intensity is 2.0 × 10?6 W/m2?
- 12.20P: What would be the sound level (in dB) of a sound wave in air that c...
- 12.21P: A 6000-Hz tone must have what sound level to seem as loud as a 100-...
- 12.22P: What are the lowest and highest frequencies that an ear can detect ...
- 12.23P: Your auditory system can accommodate a huge range of sound levels. ...
- 12.24P: The A string on a violin has a fundamental frequency of 440 Hz. The...
- 12.26P: (a) What resonant frequency would you expect from blowing across th...
- 12.27P: If you were to build a pipe organ with open-tube pipes spanning the...
- 12.28P: A tight guitar string has a frequency of 540 Hz as its third harmon...
- 12.29P: An unfingered guitar string is 0.73 m long and is tuned to play E a...
- 12.30P: (a) Determine the length of an open organ pipe that emits middle C ...
- 12.31P: An organ is in tune at 20°C. By what percent will the frequency be ...
- 12.32P: How far from the mouthpiece of the flute in Example 12–10 should th...
- 12.33P: (a) At T = 20°C, how long must an open organ pipe be to have a fund...
- 12.34P: A particular organ pipe can resonate at 264 Hz. 440 Hz. and 616 Hz....
- 12.35P: A uniform narrow tube 1.80 m long is open at both ends. It resonate...
- 12.36P: A pipe in air at 20°C is to be designed to produce two successive h...
- 12.37P: How many overtones are present within the audible range for a 2.14-...
- 12.38P: The human ear canal is approximately 2.5 cm long. It is open to the...
- 12.39P: A piano tuner hears one beat every 2.0s when trying to adjust two s...
- 12.40P: What is the beat frequency if middle C (262 Hz) and C# (277 Hz) are...
- 12.41P: A certain dog whistle operates at 23.5 KHz. while another (brand X)...
- 12.42P: A guitar string produces 4 beats/s when sounded with a 350-Hz tunin...
- 12.43P: Two violin strings are tuned to the same frequency, 294 Hz. The ten...
- 12.44P: How many beats will be heard if two identical flutes each try to pl...
- 12.45P: You have three tuning forks, A, B, and C. Fork B has a frequency of...
- 12.46P: Two loudspeakers are 1.80m apart. A person stands 3.00m from one sp...
Solutions for Chapter 12: Physics: Principles with Applications 6th Edition
Full solutions for Physics: Principles with Applications | 6th Edition
ISBN: 9780130606204
Solutions for Chapter 12
15
3
Chapter 12 includes 110 full step-by-step solutions. This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6th. This expansive textbook survival guide covers the following chapters and their solutions. Since 110 problems in chapter 12 have been answered, more than 151745 students have viewed full step-by-step solutions from this chapter. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204.
Key Physics Terms and definitions covered in this textbook
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//
parallel
-
any symbol
average (indicated by a bar over a symbol—e.g., v¯ is average velocity)
-
°C
Celsius degree
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°F
Fahrenheit degree
