68 A single pulse, given by h(x - 5.01), is shown in Fig. 16-45for t = 0. The scale of the verticalaxis is set by h, = 2. Here x is incentimeters and t is in seconds.What are the (a) speed and (b) di-rection of travel of the pulse? (c)Plot h(x – 5t) as a function of x for1 = 2 s. (d) Plot h(xr – 5t) as a func-tion of t for x = 10 cm.%3D%3!t= 0Figure 16-45 Problem 68.

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Answered: 68 A single pulse, given by h(x -…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Similar questions

The following waveform has been measured at a sweep time of t = 50 + 2%. us ст (7.4 ±0.1) cm The frequency is (2703 + 65) Hz (2.70 ± 51) kHz (300 ± 5) Hz O (270 ± 9) Hz
The equation of a stationary wave is given by, y=0.05 cos.(2x) sin (100 t). Find the distance between its nodes and the amplitude at antinodes. Find also the amplitude at 20 cm from one end. Here y and x is in meter and it is in second.
Suppose a bat uses sound echoes to locate its insect prey, 3.00 m away. (a) Calculate the echo times for temperatures of 5.00C and 35.0C. (b) What percent uncertainty does this cause for the bat in locating the insect? (c) Discuss the significance of this uncertainty and whether it could cause difficulties for the bat. (In practice, the bat continues to use sound as it closes in, eliminating most of any difficulties imposed by this and other effects, such as motion of the prey.)
(Bulk modulus) B = 2.18 x 10° N/m? density of water p = 1.00 × 10³ kg/m³ (reference intensity) ann (threshold of hearing) Q s peed of sound in air v = 343 m/s Io = 10-12 w/m² 22.0 m The driver boat whistle ling Shovid near The sound OT The above the lead surface divectly with the driver in the time Same friend the grond that from the ship 22, o m and he hear d a On away the boat whistling at the sane time as in the picture the boat whistle is above from the surface of the water. The teme perature 1.2 of the lead is 20°c Que tions : Consider the jour hey of sound in the air from the doll the boat to the water have dis tance 1. 2 m. Comas which take 0.00 25 second then the sound contin ues to travel in the water. Find time when the sound trave ls in the war fer down to the driver.
Approximately a third of people with normal hearing have ears that continuously emit a low-intensity sound outward through the ear canal. A person with such spontaneous otoacoustic emission is rarely aware of the sound, except perhaps in a noisefree environment, but occasionally the emission is loud enough to be heard by someone else nearby. In one observation, the sound wave had a frequency of 1665 Hz and a pressure amplitude of 1.13 *10-3 Pa. What were (a) the displacement amplitude and (b) the intensity of the wave emitted by the ear?
A geological disturbance in San Andreas fault generated a seismic wave that was detected in Phoenix, AZ, approximately 1000 km from the epicenter. If such waves travel at an average speed of 6.5 km/s, what would be the time-lag between the disturbance and the detection? How does this speed compare with that of sound waves in air at a day temperature of 23°C? 2.6 min, vseismic/ Vsound 19 O 2.6 min, vseismie/ Vsound 26 O 2.9 min, vseismie/ Vsound 29 O 3.2 min, vseismic/ Vsound 21
[ohq[fQHFPE
then If you stood at the same point on a cold day were T2 = -7.5 °C how long is have taken for you to hear the echo in s?
A physicist hypothesizes that the traveling speed of a shallow water wave v, depends on the depth of the water d, the acceleration due to gravity g, and the density of water ρ. They measure the speed of a wave to be 1.25 m/s at a depth of 1.00 m. Take the density of water to be 1.00 * 103 kg/m3. (a) From dimensional analysis alone find the expression for v, up to a numerical constant c.(b) Determine the value of c by using the above values in the expression found in part (a)
Does the sound intensity level b obey the inverse-square law? Why?

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