Modified Mastering Physics without Pearson eText-- Instant Access -- for Physics for Scientists & Engineers with Modern Physics
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ISBN: 9780134402659
Author: GIANCOLI, Douglas
Publisher: PEARSON
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The intensity of an earthquake wave passing through the Earth is measured to be 1.5×106 J/(m2⋅s) at a distance of 46 km from the source.
What was its intensity when it passed a point only 2.0 km from the source?
At what rate did energy pass through an area of 3.0 m^2 at 2.0 km?
The intensity of an earthquake wave passing through the Earth is measured to be 3.0 × 106 J/m2 at a distance of 48 km from the source. Sketch the situation.
A) What was the intensity when it passed a point only 6.0 km from the source?
B) At what rate did energy pass through an area of 2.0 m2 at 6.0 km?
Suppose an earthquake shakes you with a frequency of 9.5 Hz as it passes and continues on to another city 88.5 km away, which it reaches in 10.5 s.
What is the wavelength of the earthquake, in meters?
λ =
Chapter 15 Solutions
Modified Mastering Physics without Pearson eText-- Instant Access -- for Physics for Scientists & Engineers with Modern Physics
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
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- The 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_forwardEarthquakes at fault lines in the Earths crust create seismic waves, which are longitudinal (P waves) or transverse (S waves). The P waves have a speed of about 7 km/s. Estimate the average bulk modulus of the Earths crust given that the density of rock is about 2 500 kg/m3.arrow_forwardHow 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_forward
- A seismic wave passes through four ground layers with depths of 40, 90, 150 and 220 m, respectively, and the wave velocity in these layers is 200, 300, 400, 500 m/s, respectively, so the value of the dynamic correction of the reflected wave from the first separation layer captured by a receiver At a distance of 200 meters from the detonation point are:arrow_forwardIt is estimated that the tsunami which struck Japan on March 11, 2011 had a wavelength of 200.0 km, frequency of 0.0625 min, and amplitude of 7.0 m. What was the velocity, in km/min, of the tsunami before it came ashore?arrow_forwardThe bulk modulus of the Earth is 40 GPa and the shear modulus of the earth is 25 GPa. The P wave is arrived 5 min before the S wave. Calculate the distance of the earthquake. Here, density of the Earth is 5.51 g/cm. (a) 5040 km (b) 2100 km (c) 6300 km (d) 2280 kmarrow_forward
- A tsunami is a sort of pulse or “wave packet” consisting ofseveral crests and troughs that become dramaticallylarge as they enter shallow water at the shore. Supposea tsunami of wavelength 235 km and velocity 550 km/htravels across the Pacific Ocean. As it approaches Hawaii,people observe an unusual decrease of sea level in theharbors. Approximately how much time do they have torun to safety? (In the absence of knowledge and warning,people have died during tsunamis, some of them attractedto the shore to see stranded fishes and boats.)arrow_forwardThe national seismological service is designing a training for new members in which they are asked to calculate the epicentral distance simulating an earthquake of magnitude 8.5 The information provided is as follows: surface waves generally have a frequency of 0.5 Hz and the intensity of the P wave in Mexico City was 2x106 J What is the power of a area of 483 m²? m³s" 4.83× 108 W 4.141 x 10³ W 9.66 × 108 W 9.66× 102 Warrow_forwardc) The intensity of an earthquake wave travelling through the Earth and detected 100 km from the source is 1.0 x 106 W/m². Compute: i) ii) the total power emitted by the source the intensity at a distance of 400 km from the source.arrow_forward
- You glance at your clock when you hear the first rumbling of the earthquake. You feel the strong shaking exactly 13 seconds later. Estimate the likely distance of the quake from you. Assume p wave velocity as 7.97km/s and s wave velocity as 4.55 km/s.arrow_forwardChapter 16: Problem 11: Suppose an earthquake shakes you with a frequency of 9.5 Hz as it passes and continues on to another city 76.5 km away, which it reaches in 11s. a) What is the wavelength of the earthquake, in meters?arrow_forwardYou are enjoying your vacation when suddenly you feel an earthquake. Shortly thereafter so see the ground ripple. The ripples are about 23 m apart and you bounce over 20 ripples every second. How fast must the waves be going?arrow_forward
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