Modified Mastering Physics with Pearson eText -- Combo Access -- for Physics for Scientist and Engineers (18 week)
5th Edition
ISBN: 9780137504299
Author: Douglas C. Giancoli
Publisher: Pearson Education (US)
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(I) What is the sound level of a sound whose intensity is 1.5 x 10–6 W/m2 ?
Estimate the number of octaves in the human audible range, 20 Hz to 20 kHz
(II) Your ears can accommodate a huge range of soundlevels. What is the ratio of highest to lowest intensity at(a) 100 Hz, (b) 5000 Hz? (See Fig. 12–6.)
Chapter 16 Solutions
Modified Mastering Physics with Pearson eText -- Combo Access -- for Physics for Scientist and Engineers (18 week)
Ch. 16.3 - If an increase of 3 dB means twice as intense,...Ch. 16.3 - Trumpet players. A trumpeter plays at a sound...Ch. 16.4 - Prob. 1CECh. 16.4 - Prob. 1EECh. 16.7 - Prob. 1FECh. 16.7 - How fast would a source have to approach an...Ch. 16 - What is the evidence that sound travels as a wave?Ch. 16 - What is the evidence that sound is a form of...Ch. 16 - Children sometimes play with a homemade telephone...Ch. 16 - When a sound wave passes from air into water, do...
Ch. 16 - What evidence can you give that the speed of sound...Ch. 16 - The voice of a person who has inhaled helium...Ch. 16 - Two tuning forks oscillate with the same...Ch. 16 - How will the air temperature in a room affect the...Ch. 16 - Explain how a lube might be used as a filler to...Ch. 16 - Prob. 10QCh. 16 - Prob. 11QCh. 16 - A noisy truck approaches you from behind a...Ch. 16 - Traditional methods of protecting the hearing of...Ch. 16 - In Fig. 16-15, if the frequency of the speakers is...Ch. 16 - Prob. 15QCh. 16 - Consider the two waves shown in Fig. 1630. Each...Ch. 16 - Is there a Doppler shift if the source and...Ch. 16 - If a wind is blowing, will this alter the...Ch. 16 - Figure 1631 shows various positions of a child on...Ch. 16 - Prob. 1MCQCh. 16 - Prob. 2MCQCh. 16 - Prob. 3MCQCh. 16 - Prob. 4MCQCh. 16 - Prob. 5MCQCh. 16 - Prob. 6MCQCh. 16 - Prob. 7MCQCh. 16 - Prob. 8MCQCh. 16 - Prob. 9MCQCh. 16 - Prob. 10MCQCh. 16 - Prob. 11MCQCh. 16 - Prob. 12MCQCh. 16 - Prob. 13MCQCh. 16 - Prob. 14MCQCh. 16 - Prob. 1PCh. 16 - Prob. 2PCh. 16 - Prob. 3PCh. 16 - Prob. 4PCh. 16 - Prob. 5PCh. 16 - Prob. 6PCh. 16 - Prob. 7PCh. 16 - Prob. 8PCh. 16 - (II) Write an expression that describes the...Ch. 16 - Prob. 10PCh. 16 - Prob. 11PCh. 16 - Prob. 12PCh. 16 - Prob. 13PCh. 16 - What is the intensity of a sound at the pain level...Ch. 16 - Prob. 15PCh. 16 - Prob. 16PCh. 16 - Prob. 17PCh. 16 - Prob. 18PCh. 16 - A fireworks shell explodes 100m above the ground,...Ch. 16 - Prob. 20PCh. 16 - Prob. 21PCh. 16 - Prob. 22PCh. 16 - Prob. 23PCh. 16 - Prob. 24PCh. 16 - Prob. 25PCh. 16 - Prob. 26PCh. 16 - Prob. 27PCh. 16 - Prob. 28PCh. 16 - Prob. 29PCh. 16 - Prob. 30PCh. 16 - Prob. 31PCh. 16 - Prob. 32PCh. 16 - Prob. 33PCh. 16 - Prob. 34PCh. 16 - Prob. 35PCh. 16 - Prob. 36PCh. 16 - Prob. 37PCh. 16 - (II) A particular organ pipe can resonate at 264...Ch. 16 - Prob. 39PCh. 16 - Prob. 40PCh. 16 - Prob. 41PCh. 16 - Prob. 42PCh. 16 - Prob. 43PCh. 16 - The human car canal is approximately 2.5 cm long....Ch. 16 - Prob. 45PCh. 16 - (II) Approximately what are the intensities of the...Ch. 16 - Prob. 47PCh. 16 - Prob. 48PCh. 16 - Prob. 49PCh. 16 - What is the beat frequency if middle C (262 Hz)...Ch. 16 - Prob. 51PCh. 16 - (II) The two sources of sound in Fig. 1615 face...Ch. 16 - Prob. 53PCh. 16 - Prob. 54PCh. 16 - Prob. 55PCh. 16 - Prob. 56PCh. 16 - Prob. 57PCh. 16 - Prob. 58PCh. 16 - Prob. 59PCh. 16 - Prob. 60PCh. 16 - Prob. 61PCh. 16 - Prob. 62PCh. 16 - Prob. 63PCh. 16 - Prob. 64PCh. 16 - Prob. 65PCh. 16 - Prob. 66PCh. 16 - Prob. 67PCh. 16 - Prob. 68PCh. 16 - Prob. 69PCh. 16 - Prob. 70PCh. 16 - Show that the angle a sonic boom makes with the...Ch. 16 - Prob. 72PCh. 16 - Prob. 73GPCh. 16 - Prob. 74GPCh. 16 - Prob. 75GPCh. 16 - Prob. 76GPCh. 16 - Prob. 77GPCh. 16 - Prob. 78GPCh. 16 - Prob. 79GPCh. 16 - Prob. 80GPCh. 16 - Prob. 81GPCh. 16 - Prob. 82GPCh. 16 - Prob. 83GPCh. 16 - Prob. 84GPCh. 16 - Prob. 85GPCh. 16 - Prob. 86GPCh. 16 - Prob. 87GPCh. 16 - Prob. 88GPCh. 16 - Prob. 89GPCh. 16 - Prob. 90GPCh. 16 - Prob. 91GPCh. 16 - Prob. 92GPCh. 16 - Prob. 93GPCh. 16 - Prob. 94GPCh. 16 - Prob. 95GPCh. 16 - Prob. 96GPCh. 16 - Prob. 97GPCh. 16 - Prob. 98GPCh. 16 - Prob. 99GPCh. 16 - Prob. 100GPCh. 16 - Prob. 101GPCh. 16 - Prob. 102GPCh. 16 - Prob. 103GPCh. 16 - Prob. 104GP
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- A creature can detect very small objects, such as an insect whose length is approximately equal to one wavelength of the sound the bat makes. If a bat emits chirps at a frequency of 56 kHz, and if the speed of sound in air is 315 m/s, what is the smallest insect (in mm) the bat can detect? A Moving to another question will save this response « >arrow_forward(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 if its sound gathering area is 900 cm2 and the area of theeardrum is 0.500 cm2 , but the trumpet only has an efficiency of 5.00% in transmitting the sound to the eardrum?(b) Comment on the usefulness of the decibel increase found in part (a).arrow_forward(II) (a) At T= 22°C how long must an open organ pipe be to have a fundamental frequency of 294 Hz? (b) If this pipe is filled with helium, what is its fundamental frequency?arrow_forward
- (II) If the amplitude of a sound wave is made 3.5 times greater, (a) by what factor will the intensity increase? (b) By how many dB will the sound level increase?arrow_forward(I) (a) Calculate the wavelengths in air at 20°C for sounds inthe maximum range of human hearing, 20 Hz to 20,000 Hz.(b) What is the wavelength of an 18-MHz ultrasonic wave?arrow_forward(II) Estimate the frequency of the "sound of the ocean" when you put your ear very near a 15-cm-diameter sea- shell (Fig. 12–35). FIGURE 12-35 Problem 32.arrow_forward
- (I) If you were to build a pipe organ with open-tube pipesspanning the range of human hearing (20 Hz to 20 kHz),what would be the range of the lengths of pipes required?arrow_forwardThe speed of sound in dry air at 20 °C is 343 m/s and the lowestfrequency sound wave that the human ear can detect is approximately20 Hz. (a) What is the wavelength of such a soundwave?arrow_forward(I) A 5000-Hz tone must have what sound level to seem as loud as a 100-Hz tone that has a 50-dB sound level? (See Fig. 12–6.)arrow_forward
- How far does light travel in one year? [This distance is known as a light-year (ly) and is used in measuring astronomical distances.] Compute the wavelength in air of ultrasound with a frequency of 51 kHz if the speed of sound is 344 m/s.arrow_forward(I) An organ pipe is 116 cm long. Determine the fundamentaland first three audible overtones if the pipe is (a) closedat one end, and (b) open at both ends.arrow_forward(II) Estimate. the. frequency. 313 x 445ksound of the ocean" when you put your ear very near a 15-cm-diameter sea- shell (Fig. 12–35). FIGURE 12-35 Problem 32.arrow_forward
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