EP CONCEPTUAL PHYSICAL SCI.-MOD.MASTER.
6th Edition
ISBN: 9780134091983
Author: Hewitt
Publisher: PEARSON CO
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Textbook Question
Chapter 10, Problem 108E
How many nodes, excluding end points, are in a standing wave that is three wavelengths long? In a standing wave that is four wavelengths long?
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Chapter 10 Solutions
EP CONCEPTUAL PHYSICAL SCI.-MOD.MASTER.
Ch. 10 - What is the source of all waves?Ch. 10 - Distinguish between these parts of a wave: period,...Ch. 10 - How are frequency and period related to each...Ch. 10 - In one word, what is it that moves from source to...Ch. 10 - Does the medium in which a wave travels move with...Ch. 10 - What is the relationship among frequency,...Ch. 10 - In what direction are the vibrations in a...Ch. 10 - In what direction do compressed regions and...Ch. 10 - Does sound travel faster in warm air or in cold...Ch. 10 - How does the speed of sound in water compare with...
Ch. 10 - What is the law of reflection for sound?Ch. 10 - What is a reverberation?Ch. 10 - Relate wave speed and bending to the phenomenon of...Ch. 10 - Does sound tend to bend upward or downward when it...Ch. 10 - How do dolphins perceive their environment in dark...Ch. 10 - Why does a struck tuning fork sound louder when...Ch. 10 - Distinguish between forced vibrations and...Ch. 10 - When you listen to a radio, why do you hear only...Ch. 10 - Why do troops break step when crossing a bridge?Ch. 10 - What kinds of waves exhibit interference?Ch. 10 - Distinguish between constructive interference and...Ch. 10 - What does it mean to say that one wave is out of...Ch. 10 - What physical phenomenon underlies beats?Ch. 10 - What is a node? What is an antinode?Ch. 10 - In the Doppler effect, does frequency change? Does...Ch. 10 - Can the Doppler effect be observed with...Ch. 10 - How do the speed of a wave source and the speed of...Ch. 10 - How does the V shape of a bow wave depend on the...Ch. 10 - True or false: A sonic boom occurs only when an...Ch. 10 - Distinguish between a musical sound and noise.Ch. 10 - A pendulum swings to and fro every 3 seconds. Show...Ch. 10 - Another pendulum swings to and fro at a regular...Ch. 10 - A wave 3 m long oscillates 1.5 times each, second....Ch. 10 - Show that a certain wave with a 1.2-m wavelength...Ch. 10 - A tuning fork produces a sound with a frequency of...Ch. 10 - A nurse approaches his patient and counts 72...Ch. 10 - A weight suspended from a spring is seen to bob up...Ch. 10 - We know that speed v = distance/time. Show that...Ch. 10 - A skipper on a boat notices wave crests passing...Ch. 10 - A mosquito flaps its wings at the rate of 600...Ch. 10 - The highest-frequency sound humans can hear is...Ch. 10 - Microwave ovens typically cook food using...Ch. 10 - For years, marine scientists were mystified by...Ch. 10 - An oceanic depth-sounding vessel surveys the ocean...Ch. 10 - A bat flying in a cave emits a sound and receives...Ch. 10 - Susie hammers on a block of wood 85 m from a large...Ch. 10 - Imagine an old hermit living in a cave in the...Ch. 10 - On a piano keyboard, you strike middle C, of...Ch. 10 - (a) Say you were foolish enough to play your...Ch. 10 - A beat frequency is equal to the difference...Ch. 10 - As shown in the drawing, the half-angle of the...Ch. 10 - All the waves shown have the same speed b: the...Ch. 10 - Four different pairs of transverse wave pulses...Ch. 10 - Rank, from highest to lowest, the pitch heard when...Ch. 10 - The following three shock waves are produced by...Ch. 10 - Rank, from greatest to least, the speed of sound...Ch. 10 - Rank the beat frequencies, from highest to lowest,...Ch. 10 - Phil Physiker blows across the mouths of identical...Ch. 10 - A student that youre tutoring says that the terms...Ch. 10 - You dip your finger at a steady rate into a puddle...Ch. 10 - Red light has a longer wavelength than violet...Ch. 10 - When sound becomes louder, which wave...Ch. 10 - What two physics mistakes occur in a...Ch. 10 - How does the frequency of vibration of a small...Ch. 10 - A friend says that wave speed is equal to the...Ch. 10 - What kind of motion should you impart to the...Ch. 10 - What kind of motion should you impart to a...Ch. 10 - A cat can hear sound frequencies up to 70,000 Hz....Ch. 10 - The sounds emitted by bats are extremely intense....Ch. 10 - Why do you not hear the sound of a distant...Ch. 10 - If the Moon blew up, why would we not hear the...Ch. 10 - Why would it be futile to attempt to detect sounds...Ch. 10 - A pair of sound waves of different wavelengths...Ch. 10 - In Olympic competition, the sound of the starters...Ch. 10 - A friend says that sound travels faster in warm...Ch. 10 - Why does your voice sound fuller when you are...Ch. 10 - A bat chirps as it flies toward a wall. Is the...Ch. 10 - A friend says that refraction of any kind of wave...Ch. 10 - Why are marchers following a hand at the end of a...Ch. 10 - What is the danger posed by people in the balcony...Ch. 10 - Why is the sound of a harp soft compared with the...Ch. 10 - What physics principle does Manuel use when he...Ch. 10 - How can a certain note sung by a singer cause a...Ch. 10 - A nylon guitar string vibrates in a standing-wave...Ch. 10 - Two bunnies hop at slightly different rates but...Ch. 10 - Suppose a piano tuner hears three beats per second...Ch. 10 - When the frequency of sound is doubled, what...Ch. 10 - A railroad locomotive is at rest with its whistle...Ch. 10 - When you blow your horn while driving toward a...Ch. 10 - How does the Doppler effect aid police in...Ch. 10 - Astronomers find that light emitted by a...Ch. 10 - Would it be correct to say that the Doppler effect...Ch. 10 - A swimming cluck produces a bow wave attached to...Ch. 10 - Does the conical angle of a shock wave become...Ch. 10 - If the sound of an airplane does not originate in...Ch. 10 - Why is it that a subsonic aircraft, no matter how...Ch. 10 - Distinguish between noise and music in terms of...Ch. 10 - If the fundamental frequency of a guitar string is...Ch. 10 - How many nodes, excluding end points, are in a...Ch. 10 - Which of the two musical notes displayed...Ch. 10 - What characteristic of sound distinguishes a piano...Ch. 10 - What does it mean to say that a radio station is...Ch. 10 - At the instant that a high-pressure region is...Ch. 10 - If a bell is ringing inside a bell jar, we can no...Ch. 10 - If the speed of sound depended on its frequency,...Ch. 10 - Why is the Moon described as a silent planet?Ch. 10 - Discuss why sound travels faster in moist air....Ch. 10 - Why is an echo weaker than the original sound?...Ch. 10 - One rule of thumb for estimating the distance in...Ch. 10 - If a single disturbance at an unknown distance...Ch. 10 - As you pour water into a glass, you repeatedly tap...Ch. 10 - Physics instructor Peter Hopkinson delights in...Ch. 10 - What physics principle is used in radar guns to...Ch. 10 - A special device can transmit sound that is out of...Ch. 10 - Two sound waves of the same frequency can...Ch. 10 - Discuss whether or not a sonic boom occurs at the...Ch. 10 - When we consider the time it takes for a pendulum...Ch. 10 - The vibrations along a transverse wave move (a)...Ch. 10 - A common example of a longitudinal wave is (a)...Ch. 10 - The speed of sound varies with (a) amplitude. (b)...Ch. 10 - The loudness of a sound is most closely related to...Ch. 10 - The explanation for the refraction of sound must...Ch. 10 - Wave interference occurs in (a) transverse waves....Ch. 10 - Noise-canceling devices such as jackhammer...Ch. 10 - When a 134-Hz tuning fork and a 144-Hz tuning fork...Ch. 10 - A sonic boom cannot be produced by (a) an aircraft...
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