An Introduction to Physical Science
14th Edition
ISBN: 9781305079137
Author: James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher: Cengage Learning
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Chapter 6, Problem 21SA
On a particular day the speed of sound in air is 340 m/s. If a plane flies at a speed of 680 m/s, is its Mach number (a) 1.5, (b) 2.0, (c) 2.5, or (d) 2.7?
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Chapter 6 Solutions
An Introduction to Physical Science
Ch. 6.1 - What causes waves, and how and what do they...Ch. 6.1 - Is matter propagated by waves?Ch. 6.2 - What is the distinguishing difference between...Ch. 6.2 - Prob. 2PQCh. 6.2 - A sound wave has a speed of 344 m/s and a...Ch. 6.3 - Prob. 1PQCh. 6.3 - What is the speed of light in vacuum?Ch. 6.3 - The station in this example is an AM station,...Ch. 6.4 - What is the frequency range of human hearing?Ch. 6.4 - Prob. 2PQ
Ch. 6.4 - Prob. 6.3CECh. 6.5 - Prob. 1PQCh. 6.5 - What is necessary for a jet aircraft to generate a...Ch. 6.6 - Prob. 1PQCh. 6.6 - What does resonance mean in terms of a systems...Ch. 6 - KEY TERMS 1. waves (6.1) 2. longitudinal wave...Ch. 6 - KEY TERMS 1. waves (6.1) 2. longitudinal wave...Ch. 6 - KEY TERMS 1. waves (6.1) 2. longitudinal wave...Ch. 6 - KEY TERMS 1. waves (6.1) 2. longitudinal wave...Ch. 6 - Prob. EMCh. 6 - Prob. FMCh. 6 - Prob. GMCh. 6 - Prob. HMCh. 6 - Prob. IMCh. 6 - Prob. JMCh. 6 - Prob. KMCh. 6 - Prob. LMCh. 6 - Prob. MMCh. 6 - KEY TERMS 1. waves (6.1) 2. longitudinal wave...Ch. 6 - Prob. OMCh. 6 - Prob. PMCh. 6 - Prob. QMCh. 6 - Prob. RMCh. 6 - Prob. SMCh. 6 - Prob. TMCh. 6 - KEY TERMS 1. waves (6.1) 2. longitudinal wave...Ch. 6 - A wave with particle oscillation parallel to the...Ch. 6 - If a piece of ribbon were tied to a stretched...Ch. 6 - Prob. 3MCCh. 6 - Prob. 4MCCh. 6 - Which of the following is true for electromagnetic...Ch. 6 - Which one of the following regions has frequencies...Ch. 6 - The speed of sound is generally greatest in ____ ....Ch. 6 - Which of the following sound frequencies could be...Ch. 6 - A sound with an intensity level of 30 dB is how...Ch. 6 - A moving observer approaches a stationary sound...Ch. 6 - Prob. 11MCCh. 6 - Prob. 12MCCh. 6 - Which of the following occur(s) when a stretched...Ch. 6 - Prob. 1FIBCh. 6 - Wave velocity and particle motion are ___ in...Ch. 6 - Prob. 3FIBCh. 6 - Wave speed is equal to frequency times ___. (6.2)Ch. 6 - Prob. 5FIBCh. 6 - Prob. 6FIBCh. 6 - Prob. 7FIBCh. 6 - Prob. 8FIBCh. 6 - Prob. 9FIBCh. 6 - Prob. 10FIBCh. 6 - In the Doppler effect, when a moving sound source...Ch. 6 - A Doppler blueshift in light from a star indicates...Ch. 6 - Prob. 13FIBCh. 6 - Prob. 1SACh. 6 - Prob. 2SACh. 6 - A wave travels upward in a medium (vertical wave...Ch. 6 - Prob. 4SACh. 6 - How many values of amplitude are there in one...Ch. 6 - Prob. 6SACh. 6 - Prob. 7SACh. 6 - Which end (blue or red) of the visible spectrum...Ch. 6 - Prob. 9SACh. 6 - What is the range of wavelengths of visible light?...Ch. 6 - Prob. 11SACh. 6 - What happens to the energy when a sound dies out?Ch. 6 - Referring to Fig. 6.11, indicate over how many...Ch. 6 - What is the chief physical property that describes...Ch. 6 - Why does the music coming from a band marching in...Ch. 6 - What is the difference between sound wave energy...Ch. 6 - Prob. 17SACh. 6 - Why is lightning seen before thunder is heard?Ch. 6 - How is the wavelength of sound affected when (a) a...Ch. 6 - Under what circumstances would sound have (a) a...Ch. 6 - On a particular day the speed of sound in air is...Ch. 6 - Prob. 22SACh. 6 - What is the effect when a system is driven in...Ch. 6 - Would you expect to find a node or an antinode at...Ch. 6 - Prob. 25SACh. 6 - Prob. 1VCCh. 6 - Prob. 1AYKCh. 6 - Were an astronaut on the Moon to drop a hammer,...Ch. 6 - Prob. 3AYKCh. 6 - How fast would a jet fish have to swim to create...Ch. 6 - Prob. 5AYKCh. 6 - Prob. 6AYKCh. 6 - A periodic wave has a frequency of 5.0 Hz. What is...Ch. 6 - What is the period of the wave motion for a wave...Ch. 6 - Prob. 3ECh. 6 - A sound wave has a frequency of 3000 Hz. What is...Ch. 6 - Compute the wavelength of the radio waves from (a)...Ch. 6 - Prob. 6ECh. 6 - What is the frequency of blue light that has a...Ch. 6 - An electromagnetic wave has a wavelength of 6.00 ...Ch. 6 - How far does light travel in 1 year? [This...Ch. 6 - (a) Approximately how long would it take a...Ch. 6 - Compute the wavelength in air of ultrasound with a...Ch. 6 - What are the wavelength limits of the audible...Ch. 6 - The speed of sound in a solid medium is 15 times...Ch. 6 - A sound wave in a solid has a frequency of 15.0...Ch. 6 - During a thunderstorm, 4.5 s elapses between...Ch. 6 - Picnickers see a lightning flash and hear the...Ch. 6 - A subway train has a sound intensity level of 90...Ch. 6 - A loudspeaker has an output of 70 dB. If the...
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- A sound wave in air has a pressure amplitude equal to 4.00 103 Pa. Calculate the displacement amplitude of the wave at a frequency of 10.0 kHz.arrow_forwardTable 17.1 shows the speed of sound is typically an order of magnitude larger in solids than in gases. To what can this higher value be most directly attributed? (a) the difference in density between solids and gases (b) the difference in compressibility between solids and gases (c) the limited size of a solid object compared to a free gas (d) the impossibility of holding a gas under significant tensionarrow_forwardA sound wave traveling in air has a pressure amplitude of 0.5 Pa. What is the intensity of the wave?arrow_forward
- a) You measure the speed in a metal to be 3.6x10^4 ft/min. How fast is the speed of sound in m/s (Hint: there are 3.26 feet in a meter)? b) You measure the density of air to be 4.608kg/m^3, what would it be in g/cm^3?arrow_forwardDuring a thunderstorm, 3.1 s elapses between observing a lightning flash and hearing the resulting thunder. Approximately how far away in kilometers and miles was the lightning flash? (Assume the speed of sound is 344 m/s.) km miarrow_forwardAn osprey (a type of hawk) has a distinct call: a whistle at 2100 Hz. An osprey calls while diving at you — you’ve gotten too close to her nest and she wants to drive you away! The frequency you perceive is 2400 Hz. How fast is the osprey approaching? (The speed of sound in air varies with temperature, but in this problem you can take it to be 343 m/s, the speed at 20◦C.)arrow_forward
- An aircraft flies directly overhead at an altitude of 5 km. If the sound of the aircraft is heard 6 s later, determine the speed and Mach number of the aircraft. Assume an average air temperature of 10°C.arrow_forwardSpeed of sound (vo) in dry air at 0°C is 331 m/s. Therefore, at room temperature (23°C) the speed (vT) will be O [331 x 296) /273)] m/s O [(331 x 23) /273] m/s O [331/(296/273)] m/s V[331 (23/273)] m/sarrow_forwardThe speed of sound in air (in meters per second) depends on temperature according to the approximate expression υ = 331.5 + 0.607TC where TC is the Celsius temperature. In dry air, the temperature decreases about 1°C for every 150-m rise in altitude. (a) Assume this change is constant up to an altitude of 9 000 m. What time interval is required for the sound from an airplane flying at 9 000 m to reach the ground on a day when the ground temperature is 30°C? (b) What If? Compare your answer with the time interval required if the air were uniformly at 30°C. Which time interval is longer?arrow_forward
- You approach a stationary sound source with a speed such that the frequency of sound you hear is 13% greater than the actual frequency. With what speed are you approaching the sound source? Use the speed of sound in air as 343 m/s.arrow_forwardWe can estimate the length of an aluminum fence by comparing the sound heard through the fence and the air. One person is hitting one end of the fence and one is listening at the other end. The speed of sound in air (20 °C) is 343 m/s and the speed of sound in aluminum is 6,420 m/s. If the time difference between the sound of the bang being heard, through the fence and through the air is 0.15 s, estimate the length of the aluminum fence. a. 24 meters b. 35 meters c. 44 meters d. 54 meters e. 75 metersarrow_forwardS X * # 3 4. A bystander hears a siren vary in frequency from 594 Hz to 388 Hz as a fire truck approaches, passes by, and moves away on a straight street. What is the speed of the truck? (Take the speed of sound in air to be 343 m/s.) X 62.7 m/s E D C 25 $ 4 888 R % 5 V tv A B 16 de MacBook Air & 7 H VO 8 UTO N A J 9 M K MOSISO O zoom 1 ge + 11 tarrow_forward
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