Principles of Physics: A Calculus-Based Text
5th Edition
ISBN: 9781133104261
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 13, Problem 48P
(a)
To determine
The seismic waves which arrives at
(b)
To determine
The time difference between the arrivals.
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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?
please asap
Earthquake S waves have a speed of 3000 m/s. P waves have a speed of 5000 m/s. P waves are detected 2.58 minutes before S waves by aseismograph. How far is the earthquake's epicenter from the seismograph?
Options:
a
1.06 x 10^6 m
b
2.5 x 10^6 m
c
1.3 x 10^6 m
d
1.16 x 10^6 m
An earthquake emits primary waves moving at 8.0 km/s and secondary waves moving at
5.0 km/s. How far from the epicentre of the earthquake is the seismic station if the two
waves arrive at the station 2.0 min apart?
Chapter 13 Solutions
Principles of Physics: A Calculus-Based Text
Ch. 13.1 - (i) In a long line of people waiting to buy...Ch. 13.2 - Prob. 13.2QQCh. 13.2 - The amplitude of a wave is doubled, with no other...Ch. 13.3 - Suppose you create a pulse by moving the free end...Ch. 13.5 - Prob. 13.5QQCh. 13.7 - Consider detectors of water waves at three...Ch. 13.7 - Prob. 13.7QQCh. 13 - Prob. 1OQCh. 13 - Prob. 2OQCh. 13 - Rank the waves represented by the following...
Ch. 13 - Prob. 4OQCh. 13 - When all the strings on a guitar (Fig. OQ13.5) are...Ch. 13 - By what factor would you have to multiply the...Ch. 13 - A sound wave can be characterized as (a) a...Ch. 13 - Prob. 8OQCh. 13 - Prob. 9OQCh. 13 - A source vibrating at constant frequency generates...Ch. 13 - A source of sound vibrates with constant...Ch. 13 - Prob. 12OQCh. 13 - Prob. 13OQCh. 13 - Prob. 14OQCh. 13 - As you travel down the highway in your car, an...Ch. 13 - Prob. 16OQCh. 13 - Suppose an observer and a source of sound are both...Ch. 13 - Prob. 1CQCh. 13 - Prob. 2CQCh. 13 - Prob. 3CQCh. 13 - Prob. 4CQCh. 13 - When a pulse travels on a taut string, does it...Ch. 13 - Prob. 6CQCh. 13 - Prob. 7CQCh. 13 - Prob. 8CQCh. 13 - Prob. 9CQCh. 13 - Prob. 10CQCh. 13 - Prob. 11CQCh. 13 - How can an object move with respect to an observer...Ch. 13 - Prob. 13CQCh. 13 - Prob. 1PCh. 13 - Prob. 2PCh. 13 - Prob. 3PCh. 13 - Prob. 4PCh. 13 - The string shown in Figure P13.5 is driven at a...Ch. 13 - Prob. 6PCh. 13 - Prob. 7PCh. 13 - Prob. 8PCh. 13 - Prob. 9PCh. 13 - A transverse wave on a string is described by the...Ch. 13 - Prob. 11PCh. 13 - Prob. 12PCh. 13 - Prob. 13PCh. 13 - A transverse sinusoidal wave on a string has a...Ch. 13 - A steel wire of length 30.0 m and a copper wire of...Ch. 13 - Prob. 16PCh. 13 - Prob. 17PCh. 13 - Review. A light string with a mass per unit length...Ch. 13 - Prob. 19PCh. 13 - Prob. 20PCh. 13 - A series of pulses, each of amplitude 0.150 m, are...Ch. 13 - Prob. 22PCh. 13 - Prob. 23PCh. 13 - A taut rope has a mass of 0.180 kg and a length of...Ch. 13 - Prob. 25PCh. 13 - Prob. 26PCh. 13 - Prob. 27PCh. 13 - Prob. 28PCh. 13 - Prob. 29PCh. 13 - Prob. 30PCh. 13 - Write an expression that describes the pressure...Ch. 13 - Prob. 32PCh. 13 - Prob. 33PCh. 13 - Prob. 34PCh. 13 - Prob. 35PCh. 13 - Prob. 36PCh. 13 - A sound wave in air has a pressure amplitude equal...Ch. 13 - A rescue plane flies horizontally at a constant...Ch. 13 - A driver travels northbound on a highway at a...Ch. 13 - Prob. 40PCh. 13 - Prob. 41PCh. 13 - Prob. 42PCh. 13 - Prob. 43PCh. 13 - Prob. 44PCh. 13 - Review. A tuning fork vibrating at 512 Hz falls...Ch. 13 - Submarine A travels horizontally at 11.0 m/s...Ch. 13 - Prob. 47PCh. 13 - Prob. 48PCh. 13 - Prob. 49PCh. 13 - Review. A block of mass M, supported by a string,...Ch. 13 - Prob. 51PCh. 13 - Review. A block of mass M hangs from a rubber...Ch. 13 - Prob. 53PCh. 13 - The wave is a particular type of pulse that can...Ch. 13 - Prob. 55PCh. 13 - Prob. 56PCh. 13 - Prob. 57PCh. 13 - Prob. 58PCh. 13 - Prob. 59PCh. 13 - Prob. 60PCh. 13 - Prob. 61PCh. 13 - Prob. 62PCh. 13 - Prob. 63PCh. 13 - Prob. 64PCh. 13 - Prob. 65PCh. 13 - Prob. 66PCh. 13 - Prob. 67PCh. 13 - A sound wave moves down a cylinder as in Active...Ch. 13 - A string on a musical instrument is held under...Ch. 13 - A train whistle (f = 400 Hz) sounds higher or...Ch. 13 - The Doppler equation presented in the text is...
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- Earthquakes 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_forwardProblems 32 and 33 are paired. N Seismic waves travel outward from the epicenter of an earthquake. A single earthquake produces both longitudinal seismic waves known as P waves and transverse waves known as S waves. Both transverse and longitudinal waves can travel through solids such as rock. Longitudinal waves can travel through fluids, whereas transverse waves can only be sustained near the surface of a fluid, not inside the fluid. When seismic waves encounter a fluid medium such as the liquid outer core of the Earth, only the longitudinal P wave can propagate through. Geophysicists can model the interior of the Earth by knowing where and when S and P waves were detected by seismographs after an earthquake (Fig. P17.32). Assume the average speed of an S wave through the Earths mantle is 5.4 km/s and the average speed of a P wave is 9.3 km/s. After an earthquake, a seismograph finds that the P wave arrives 1.5 min before the S wave. How far is the epicenter from the detector? FIGURE P17.32arrow_forwardIf the P wave intensity of an earthquake which is 100 km from the source is 1.0 x 10 ̂ 6 W / m2. What is the intensity 400 km from the source Answer : A. 6.25 x 10 ̂ 4 W / m2 B. 7.55 x 10 ̂ 4 W / m2 C. 5.45 x 10 ̂ 4 W / m2 D. 4.35 x 10 ̂ 4 W / m2arrow_forward
- An earthquake 45 km from a city produces P and S waves that travel outward at 5000 and 3000 m/s, respectively. Once city residents feel the shaking of the P wave, how much time do they have before the S wave arrives?arrow_forwardThe 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?arrow_forward291 most b921 . If the intensity of an earthquake wave is 5.0 x 106 J/m² at a distance of 40.0 km from the source, then what is the intensity at a distance of 150 km?arrow_forward
- Two points A and B on the surface of the Earth are at the same longitude and = 70.0° apart in latitude as shown in the figure below. Suppose an earthquake at point A creates a P wave that reaches point B by traveling straight through the body of the Earth at a constant speed of 7.40 km/s. The earthquake also radiates a Rayleigh wave that travels at 3.05 km/s. In addition to P and S waves, Rayleigh waves are a third type of seismic wave that travels along the surface of the Earth rather than through the bulk of the Earth. B Path of P wave Ө Path of Rayleigh wave (a) Which of these two seismic waves arrives at B first? O the Rayleigh wave the longitudinal P wave (b) What is the time difference between the arrivals of these two waves at B? (The radius of the Earth is 6370 km.) 246 X Your response differs from the correct answer by more than 10%. Double check your calculations, sarrow_forwardYou 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_forwardAn earthquake sends a pressure wave passing through the earth. What is the ratio of the intensity measured at 20.0 km and 60.0 km from the source?arrow_forward
- 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 =arrow_forwardWhat is the wavelength of an earthquake that shakes you with a frequency of 10 Hz and gets to another city 84000 m away in 12 s? (a) 8400 m (b) 700 m (c) 100.8 m (d) 0.7 marrow_forwardA seismic wave is described by the equation y(x,t) = (7.00cm)cos[(6.00 πrad/cm)x+(20.0πrad/s)t]. The wave travels through a uniform medium along the x-axis.arrow_forward
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