Conceptual Physics C2009 Guided Reading & Study Workbook Se
9th Edition
ISBN: 9780133647396
Author: Prentice Hall
Publisher: Prentice Hall
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Textbook Question
Chapter 25, Problem 20A
If you encounter a sonic boom, is that evidence that an aircraft just exceeded the speed of sound to become supersonic?
Expert Solution & Answer
To determine
To explain: Whether the encounter of a sonic boom is an evidence that aircraft just exceeded the speed of sound to become supersonic.
Answer to Problem 20A
No, it is not.
Explanation of Solution
Introduction:
When an object exceeds the speed of sound to create a shock wave, then this shock wave listened by the listener is termed as a sonic boom.
When an aircraft exceeds the speed of sound then it produces shock waves behind. This shock wave travels with the speed of sound which is lesser compared to the speed of light. When the listener hears the shock wave or sonic boom, it might be at the position where the aircraft had been some time ago. It is likely possible that now when the observer sees the aircraft, it is not moving with the speed of sound. Thus, to keep moving in supersonic speed, aircraft must have to move with the speed greater than the speed of sound, no matter what time it is.
Conclusion:
Thus, aircraft exceeded the speed of sound to produce a sonic boom, which is not evidence that it is traveling now with the supersonic speed.
Chapter 25 Solutions
Conceptual Physics C2009 Guided Reading & Study Workbook Se
Ch. 25 - Does a vibration or a wave spread out through...Ch. 25 - What is the period of a pendulum that takes one...Ch. 25 - Suppose that a pendulum has a period of 1.5...Ch. 25 - Is a pendulum with a 1.5-second period longer or...Ch. 25 - How is a sine curve related to a wave?Ch. 25 - Distinguish among these different parts of a wave:...Ch. 25 - Distinguish between the period and the frequency...Ch. 25 - Does the medium in which a wave travels move along...Ch. 25 - How does the speed of a wave relate to its...Ch. 25 - As the frequency of sound is increased, does the...
Ch. 25 - Distinguish between a transverse wave and a...Ch. 25 - Distinguish between constructive interference and...Ch. 25 - Is interference a property of only some types of...Ch. 25 - What causes a standing wave?Ch. 25 - When a wave source moves toward a receiver, does...Ch. 25 - Does the Doppler effect occur for only some types...Ch. 25 - Compared with the speed of water waves how fast...Ch. 25 - Distinguish a bow wave from a shock wave.Ch. 25 - Prob. 19ACh. 25 - If you encounter a sonic boom, is that evidence...Ch. 25 - A fire engines siren emits a certain frequency....Ch. 25 - Shown below are four different pairs of transverse...Ch. 25 - All the waves below have the same speed in the...Ch. 25 - The four sets of waves below are a top view of...Ch. 25 - The shock waves depicted below are produced by...Ch. 25 - A nurse counts 76 heartbeats in one minute. What...Ch. 25 - New Yorks 300-m high Citicorp® Tower oscillates...Ch. 25 - Calculate the speed of waves in a puddle that are...Ch. 25 - Calculate the speed of waves in water that are 0.4...Ch. 25 - Prob. 30ACh. 25 - Does the period of a pendulum depend of the mass...Ch. 25 - If a pendulum is shortened, does the frequency...Ch. 25 - Carmelita swings to and fro in a sitting position...Ch. 25 - You dip your finger repeatedly into a puddle of...Ch. 25 - If you double the frequency of a vibrating object,...Ch. 25 - How does the frequency of vibration of a small...Ch. 25 - If you triple the frequency of a vibrating object,...Ch. 25 - Red light has a longer wavelength than violet...Ch. 25 - How far, in terms of wavelength, does a wave...Ch. 25 - If a wave vibrates up and down twice each second...Ch. 25 - The wave patterns seen in Figure 25.6 are composed...Ch. 25 - Sound from Source A has a frequency twice as great...Ch. 25 - What kind of motion should you impart to a...Ch. 25 - Would it be correct to say that the Doppler effect...Ch. 25 - In the Doppler effect, does frequency change? Does...Ch. 25 - Can the Doppler effect be observed with...Ch. 25 - Prob. 47ACh. 25 - When a driver blows his horn while approaching a...Ch. 25 - Astronomers find that light coming from point A at...Ch. 25 - Does a boat moving through the water always...Ch. 25 - Whenever you watch a high-flying aircraft...Ch. 25 - How does the angle of the V shape of a bow wave...Ch. 25 - Why is it that a subsonic aircraft, no matter how...Ch. 25 - True or false: A sonic boom occurs only when an...Ch. 25 - Prob. 55ACh. 25 - The period of a simple pendulum is given by T=2Lg,...Ch. 25 - Maria shows her friends a simple 31 -cm-long...Ch. 25 - The Foucault pendulum in the rotunda of the...Ch. 25 - You are looking through your grandparents' window...Ch. 25 - For your science fair project you decide to make a...Ch. 25 - Prob. 61ACh. 25 - A design engineer figures that a proposed new...Ch. 25 - In lab you strike a tuning fork that has a...Ch. 25 - If a wave vibrates back and forth three times each...Ch. 25 - While watching ocean waves at the dock of the bay,...Ch. 25 - The crests on a long surface water wave are 20 m...Ch. 25 - Radio waves are electromagnetic waves that travel...Ch. 25 - The wavelength of red light is about 700...Ch. 25 - The half-angle of the shock-wave cone generated by...Ch. 25 - Tie a rubber tube, a spring, or a rope to a fixed...
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