4. Tsunamis are fast-moving waves often generated by underwaterearthquakes. In the deep ocean their amplitude is barely noticeable,but upon reaching shore, they can rise up to the astonishing height ofa six-story building. One tsunami, generated off the Aleutian islands inAlaska, had a wavelength of 750 km and traveled a distance of 3700 kmin 5.3 h. (a) What was the speed (in m/s) of the wave? For reference, thespeed of a 747 jetliner is about 250 m/s. Find the wave's (b) frequencyand (c) period.

The distance traveled by the tsunami is, The wavelength of the tsunami wave is, The time taken by…

Answered: 4. Tsunamis are fast-moving waves often…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter17: Traveling Waves

Section: Chapter Questions

Problem 80PQ

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Similar questions

As a certain sound wave travels through the air, it produces pressure variations (above anti below atmospheric pressure) given by P = 1.27 sin (x - 34t) in SI units. Find (a) the amplitude of the pressure variations. (b) the frequency, (c) the wavelength in air. and (d| the speed of the sound wave.
(a) If a long rope is hung from a ceiling and waves are sent up the rope from its lower end, why does the speed of the waxes change as they ascend? (b) Does the speed of the ascending waves increase or decrease? Explain.
A wave is described by y = 0.020 0 sin (kx - t), where k = 2.11 rad/m, = 3.62 rad/s, x and y are in meters, and t is in seconds. Determine (a) (he amplitude, (b) the wavelength, (c) the frequency, and (d) the speed of the wave.
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.
Suppose an observer and a source of sound are both at rest relative to the ground and a strong wind is blowing away from the source toward the observer, (i) What effect does the wind have 011 the observed frequency? (a) It causes an increase. (b) It causes a decrease. (c) It causes on change. (ii) What effect does the wind have on the observed wavelength? Choose from the same possibilities as in part (i). (iii) What effect does the wind have on the observed speed of the wave? Choose from the same possibilities as in part (i).
Stems in the South Pacific can create waves that travel all the way to the California coast, which are 12.000 km away. How long does it take them it they travel at 15.0m/s ?
An interstate highway has been built through a neighborhood in a city. In the afternoon, the sound level in an apartment in the neighborhood is 80.0 dB as 100 cars pass outside the window every minute. Late at night, the traffic flow is only five cars per minute. What is the average late-night sound level?
In an earthquake, both S (transverse) and P (longitudinal) waves propagate from the focus of the earthquake. The focus is in the ground radially below the epicenter on the surface (Fig. (CQ16.9). Assume the waves move in straight lines through uniform material. The S waves travel through the Earth more slowly than the P waves (at about 5 km/s versus 8 km/s). By detecting the time of arrival of the waves at a seismograph. (a) how can one determine the distance to the focus of the earthquake? (b) How many detection stations are necessary to locate the focus unambiguously?
Table 17.1 shows the speed of sound is typically an order of magnitude larger in solids than in gases. To what can this higher value be most directly attributed? (a) the difference in density between solids and gases (b) the difference in compressibility between solids and gases (c) the limited size of a solid object compared to a free gas (d) the impossibility of holding a gas under significant tension

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