Physics for Scientists & Engineers, Volume 2 (Chapters 21-35)
5th Edition
ISBN: 9780134378046
Author: GIANCOLI, Douglas
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 15, Problem 20P
(II) Show that the intensity of a wave is equal to the energy density (energy per unit volume) in the wave times the wave speed.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
(a) What is the relationship between the frequency f of a harmonic oscillating wave and its period T ?
(a) From first principles derive two wave equations of a uniform plane wave travelling in the x-direction in terms of Ey and Hz
(2) A 62 W (60 J/s) light bulb is 8.5% efficient, i.e. only 8.5% of the electrical energy it consumes (62 J
each second) is converted to light and the rest is converted to waste heat. What is the light intensity 10
cm from the bulb in W/m2? (answer: 42 W/m?)
Chapter 15 Solutions
Physics for Scientists & Engineers, Volume 2 (Chapters 21-35)
Ch. 15.1 - Prob. 1AECh. 15.1 - You notice a water Wave pass by the end of a pier...Ch. 15.2 - A wave starts at the left end of a long cord (see...Ch. 15.4 - A wave is given by D(x, t) = (5.0 mm) sin(2.0x ...Ch. 15 - Prob. 1QCh. 15 - Explain the difference between the speed of a...Ch. 15 - Prob. 3QCh. 15 - What kind of waves do you think will travel down a...Ch. 15 - Prob. 5QCh. 15 - Prob. 6Q
Ch. 15 - The speed of sound in most solids is somewhat...Ch. 15 - Give two reasons why circular water waves decrease...Ch. 15 - Prob. 9QCh. 15 - Will any function of (x t)see Eq. 1514represent a...Ch. 15 - When a sinusoidal wave crosses the boundary...Ch. 15 - If a sinusoidal wave on a two-section cord (Fig....Ch. 15 - Is energy always conserved when two waves...Ch. 15 - Prob. 14QCh. 15 - Prob. 15QCh. 15 - Prob. 16QCh. 15 - Prob. 17QCh. 15 - Prob. 18QCh. 15 - When a standing wave exists on a string, the...Ch. 15 - When a cord is vibrated as in Fig. 1525 by hand or...Ch. 15 - AM radio signals can usually be heard behind a...Ch. 15 - Prob. 22QCh. 15 - Prob. 1MCQCh. 15 - Prob. 2MCQCh. 15 - Prob. 3MCQCh. 15 - Prob. 4MCQCh. 15 - Prob. 5MCQCh. 15 - Prob. 6MCQCh. 15 - Prob. 7MCQCh. 15 - Prob. 8MCQCh. 15 - Prob. 9MCQCh. 15 - Prob. 10MCQCh. 15 - Prob. 11MCQCh. 15 - Prob. 1PCh. 15 - Prob. 2PCh. 15 - (I) Calculate the speed of longitudinal waves in...Ch. 15 - (1) AM radio signals have frequencies between 550...Ch. 15 - Prob. 5PCh. 15 - Prob. 6PCh. 15 - Prob. 7PCh. 15 - Prob. 8PCh. 15 - Prob. 9PCh. 15 - Prob. 10PCh. 15 - Prob. 11PCh. 15 - Prob. 12PCh. 15 - Prob. 13PCh. 15 - Prob. 14PCh. 15 - Prob. 15PCh. 15 - Prob. 16PCh. 15 - Prob. 17PCh. 15 - Prob. 18PCh. 15 - Prob. 19PCh. 15 - (II) Show that the intensity of a wave is equal to...Ch. 15 - Prob. 21PCh. 15 - Prob. 22PCh. 15 - Prob. 23PCh. 15 - Prob. 24PCh. 15 - Prob. 25PCh. 15 - Prob. 26PCh. 15 - (II) A transverse wave pulse travels to the right...Ch. 15 - Prob. 28PCh. 15 - Prob. 29PCh. 15 - (II) Write the equation for the wave in Problem 28...Ch. 15 - (II) A sinusoidal wave traveling on a string in...Ch. 15 - Prob. 32PCh. 15 - Prob. 33PCh. 15 - (II) Determine if the function D = A sin k x cos t...Ch. 15 - (II) Show by direct substitution that the...Ch. 15 - Prob. 36PCh. 15 - Prob. 37PCh. 15 - Prob. 38PCh. 15 - Prob. 39PCh. 15 - Prob. 40PCh. 15 - (II) A cord has two sections with linear densities...Ch. 15 - (III) A cord stretched to a tension FT consists of...Ch. 15 - (I) The two pulses shown in Fig. 1536 are moving...Ch. 15 - Prob. 44PCh. 15 - Prob. 45PCh. 15 - (I) If a violin string vibrates at 294 Hz as its...Ch. 15 - Prob. 47PCh. 15 - Prob. 48PCh. 15 - (II) The velocity of waves on a string is 96 m/s....Ch. 15 - Prob. 50PCh. 15 - Prob. 51PCh. 15 - Prob. 52PCh. 15 - Prob. 53PCh. 15 - (II) In Problem 52, Fig. 1537, the length of the...Ch. 15 - Prob. 55PCh. 15 - Prob. 56PCh. 15 - Prob. 57PCh. 15 - Prob. 58PCh. 15 - (II) Plot the two waves given in Problem 58 and...Ch. 15 - Prob. 60PCh. 15 - Prob. 61PCh. 15 - (II) Two oppositely directed traveling waves given...Ch. 15 - Prob. 63PCh. 15 - Prob. 64PCh. 15 - (I) An earthquake P wave traveling 8.0 km/s...Ch. 15 - Prob. 67PCh. 15 - (I) Water waves approach an underwater shelf where...Ch. 15 - Prob. 69PCh. 15 - Prob. 70PCh. 15 - Prob. 71GPCh. 15 - Prob. 72GPCh. 15 - (II) Seismic reflection prospecting is commonly...Ch. 15 - Prob. 74GPCh. 15 - A bug on the surface of a pond is observed to move...Ch. 15 - Prob. 76GPCh. 15 - Prob. 77GPCh. 15 - Prob. 78GPCh. 15 - Prob. 79GPCh. 15 - Prob. 80GPCh. 15 - A transverse wave pulse travels to the right along...Ch. 15 - (a) Show that if the tension in a stretched string...Ch. 15 - Prob. 83GPCh. 15 - Prob. 84GPCh. 15 - Two strings on a musical instrument are tuned to...Ch. 15 - The ripples in a certain groove 10.8 cm from the...Ch. 15 - Prob. 87GPCh. 15 - Prob. 88GPCh. 15 - Prob. 90GPCh. 15 - A highway overpass was observed to resonate as one...Ch. 15 - Prob. 92GPCh. 15 - Estimate the average power of a water wave when it...Ch. 15 - Prob. 94GPCh. 15 - Two wave pulses are traveling in opposite...Ch. 15 - Prob. 96GP
Additional Science Textbook Solutions
Find more solutions based on key concepts
A tractor tows a plane from its airport gate, doing 8.7 MJ of work. The link from the plane to the tractor make...
Essential University Physics: Volume 1 (3rd Edition)
8. Cells in the nervous system have a potential difference of 70 mV across the cell membrane separating the int...
College Physics: A Strategic Approach (4th Edition)
The magnitude of the electric field.
College Physics: A Strategic Approach (3rd Edition)
Choose the best answer to each of the following. Explain your reasoning. If we represent the solar system on a ...
Cosmic Perspective Fundamentals
The speed of the person sitting on the chair relative to the chair and relative to Earth.
Conceptual Physics (12th Edition)
The pV-diagram of the Carnot cycle.
Sears And Zemansky's University Physics With Modern Physics
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- "The ratio of wave height to wavelength is a measure of the steepness of a wave. Generally, the steeper the wave, the more likely that it will break. A wave will break when its wave height is approximately 1/7th its wavelength. On this basis, a wave with a wavelength of 100 m is likely to break if its wave height reaches about ______ m.arrow_forwardWhen a certain string is under tension T, the speed of a wave on the string is v. What will be the speed of a wave in the string if the tension increased to 2T without changing the mass out length of the string?arrow_forwardMedical Application - (a) What is the intensity in W/m2 of a laser beam used to burn away cancerous tissue that, when 90.0% absorbed, puts 500 J of energy into a circular spot 2.00 mm in diameter in 4.00 s? (b) Discuss how this intensity compares to the average intensity of sunlight (about 700 W/m2) and the implications that would have if the laser beam entered your eye. Note how the amount of damage depends on the time duration of the exposure.arrow_forward
- How many times a minute does a boat bob up and down on ocean waves that have a wavelength of 40.0 m and a propagation speed of 5.00 m/s?arrow_forwardA string with a mass of 0.30 kg has a length of 4.00 m. If the tension in the string is 50.00 N, and a sinusoidal wave with an amplitude of 2.00 cm is induced on the string, what must the frequency be for an average power of 100.00 W?arrow_forwardThe energy of a ripple on a pond is proportional to the amplitude squared. If the amplitude of the ripple is 0.1 cm at a distance from the source of 6.00 meters, what was the amplitude at a distance of 2.00 meters from the source?arrow_forward
- 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(II) A wave on the ocean surface with wavelength 44 m travels east at a speed of 18 m/s relative to the ocean floor. If, on this stretch of ocean, a powerboat is moving at 14 m/s (relative to the ocean floor), how often does the boat encounter a wave crest, if the boat is traveling (a) west, and (b) east?arrow_forward(II) A wave on the ocean surface with wavelength 44 m travels east at a speed of 18 m/s relative to the ocean floor. If, on this stretch of ocean, a powerboat is moving at 14m/s (relative to the ocean floor), how often does the boat encounter a wave crest, if the boat is traveling (a) west, and (b) east?arrow_forward
- If a wave pulse with an amplitude of 2 cm overlaps with a wave pulse that has an amplitude of -4 cm, what will the resulting amplitude of the new waveform be when they completely overlap?arrow_forwardIf a distant galaxy is receding from the earth such that the emitted radiation wavelength is shifted by a factor of two, what is the speed of the galaxy relative to the earth ?arrow_forwarda) If the period of oscillation of a given wave is 6.5 seconds and the wave is travelling at 19 m/s, what is the wavelength of the wave? b) If this wave is the 7th harmonic of some other wave, what is the frequency of that other wave?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- University Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice University
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Supersonic Speed and Shock Waves; Author: AK LECTURES;https://www.youtube.com/watch?v=HfSSi3KJZB0;License: Standard YouTube License, CC-BY