Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN: 9781337553292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 16, Problem 50AP
To determine
The reason why the given situation is impossible.
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A bat uses echolocation to detect prey as small as about 1 wavelength of the sound of a bat call. Assume a bat produces a sound with a frequency of 60.9 kHz, and the speed of sound in air is 339 m/s. What is the length in mm of the smallest prey the bat can detect?
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Chapter 16 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 16.1 - Prob. 16.1QQCh. 16.2 - A sinusoidal wave of frequency f is traveling...Ch. 16.2 - The amplitude of a wave is doubled, with no other...Ch. 16.3 - Suppose you create a pulse by moving the free end...Ch. 16.4 - Which of the following, taken by itself, would be...Ch. 16.6 - If you blow across the top of an empty soft-drink...Ch. 16.8 - A vibrating guitar string makes very little sound...Ch. 16.8 - Increasing the intensity of a sound by a factor of...Ch. 16.9 - Consider detectors of water waves at three...Ch. 16.9 - You stand on a platform at a train station and...
Ch. 16.9 - An airplane flying with a constant velocity moves...Ch. 16 - A seismographic station receives S and P waves...Ch. 16 - Two points A and B on the surface of the Earth are...Ch. 16 - You are working for a plumber who is laying very...Ch. 16 - Prob. 4PCh. 16 - When a particular wire is vibrating with a...Ch. 16 - Prob. 6PCh. 16 - Prob. 7PCh. 16 - A sinusoidal wave traveling in the negative x...Ch. 16 - Prob. 9PCh. 16 - Prob. 10PCh. 16 - Prob. 11PCh. 16 - Prob. 12PCh. 16 - Tension is maintained in a string as in Figure...Ch. 16 - Prob. 14PCh. 16 - Transverse waves are being generated on a rope...Ch. 16 - Prob. 16PCh. 16 - Prob. 17PCh. 16 - A two-dimensional water wave spreads in circular...Ch. 16 - A horizontal string can transmit a maximum power...Ch. 16 - Prob. 20PCh. 16 - Show that the wave function y = eb(x vt) is a...Ch. 16 - Prob. 22PCh. 16 - Prob. 23PCh. 16 - Prob. 24PCh. 16 - Prob. 25PCh. 16 - Prob. 26PCh. 16 - Prob. 27PCh. 16 - Prob. 28PCh. 16 - Prob. 29PCh. 16 - Prob. 30PCh. 16 - The intensity of a sound wave at a fixed distance...Ch. 16 - Prob. 32PCh. 16 - The power output of a certain public-address...Ch. 16 - A fireworks rocket explodes at a height of 100 m...Ch. 16 - You are working at an open-air amphitheater, where...Ch. 16 - Prob. 36PCh. 16 - Prob. 37PCh. 16 - Submarine A travels horizontally at 11.0 m/s...Ch. 16 - Prob. 39PCh. 16 - Prob. 40PCh. 16 - Review. A block with a speaker bolted to it is...Ch. 16 - Prob. 42PCh. 16 - Prob. 43APCh. 16 - Prob. 44APCh. 16 - Prob. 45APCh. 16 - Prob. 46APCh. 16 - A sinusoidal wave in a string is described by the...Ch. 16 - Prob. 48APCh. 16 - A wire of density is tapered so that its...Ch. 16 - Prob. 50APCh. 16 - Prob. 51APCh. 16 - A train whistle (f = 400 Hz) sounds higher or...Ch. 16 - Review. A 150-g glider moves at v1 = 2.30 m/s on...Ch. 16 - Prob. 54APCh. 16 - Prob. 55APCh. 16 - Prob. 56APCh. 16 - Prob. 57CPCh. 16 - Assume an object of mass M is suspended from the...Ch. 16 - Prob. 59CPCh. 16 - Prob. 60CP
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- You place your ear onto a steel railroad track and hear the sound of a distant train through the rails Δt = 3.6 seconds faster than you do through the air. The speed of sound in steel is vs = 6100 m/s while in air the speed of sound is va = 343 m/s. (a) Write an equation for the time it takes the sound to reach you through the air if the distance to the train is represented by D. (b) Write an equation for the time it takes the sound to reach you through the steel if the distance to the train is represented by D. (c) Use the difference in these two times to write an equation for the distance to the train. (d) For the given information find the distance to the train in meters.arrow_forwarda) You measure the speed in a metal to be 3.6x10^4 ft/min. How fast is the speed of sound in m/s (Hint: there are 3.26 feet in a meter)? b) You measure the density of air to be 4.608kg/m^3, what would it be in g/cm^3?arrow_forwardWhy is the following situation impossible? Tsunamis are ocean surface waves that have enormous wavelengths (100 to 200 km), and the propagation speed for these waves is υ ≈ √gdavg, where davg is the average depth of the water. An earthquake on the ocean floor in the Gulf of Alaska produces a tsunami that reaches Hilo, Hawaii, 4 450 km away, in a time interval of 5.88 h. (This method was used in 1856 to estimate the average depth of the PacificOcean long before soundings were made to give a direct determination.)arrow_forward
- You are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see them. You use your fog horn to send out a blast of sound (assume the temperature of the air is 20 oC) and the time it takes for the sound to return to you is 20.0 s. How far away are the cliffs (in metric units)? Hint: Be careful and think about the physics of the problem. You may want to make a sketch of the situation to help you determine the answer. 1798 m 3444 m 3596 m 7192 marrow_forwardYou are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see them. You use your fog horn to send out a blast of sound (assume the temperature of the air is 20 oC) and the time it takes for the sound to return to you is 20.0 s. How far away are the cliffs (in metric units)? Hint: Be careful and think about the physics of the problem. You may want to make a sketch of the situation to help you determine the answer. Question 6 options: 1798 m 3444 m 3596 m 7192 marrow_forwardOcean waves with a wavelength of 8.5 m and velocity v = 1.20 m/s can be modeled using the equation shown, y(x, t) = (0.67 m) sin [(0.739 m-¹)(x - (x - vt)]. Note that x and y are in meters and t is in seconds. (a) Choose the graph of y(x, t) at t = 0. y (m) y (m) 10 0.6 0.4 5 0.2 A W 10 15 -0.2 -0.4 -0.6 * y (m) 0.6 0.4 0.2 x (m) 10/ -0.2 -0.4 -0.6 O In this case, t = 0. Find the graph of the function y(x, t) = (0.67m) sin((0.739m-¹)x]. .....: 10 15 x (m) 0-10 x (m) O y (m) 0.6 0.4 0.2 -0.2 -0.4 -0.6 5 A 15 x (m) Qarrow_forward
- In deep water, the speed of surface waves is described by the relationship v = g/w, where w is the angular frequency. If a wave has a period of 3.00 s, what is its wavelength?arrow_forwardA screwdriver is dropped from the top of an elevator shaft. Exactly 5.0 seconds later, the sound of the screwdriver hitting bottom is heard. How deep is the shaft? The shaft is approximately (Round to the nearest tenth.) feet deep. Hint: The distance that a dropped object falls in t seconds is represented by the formula s = 16t². The speed of sound is 1100 ft/sec.arrow_forwardIn shallow water, surface waves travel with a speed which only depends on theacceleration due to gravity and the depth of the water, v=kg^(a)d^(b), where k is adimensionless constant while a and b are numerical exponents. Determine the specific formula for v by finding the values of a and b which match the dimensions (i.e., units) on both sides of the equation.arrow_forward
- An earthquake wave travelling with a speed of 5.00 x 103 m/s has a frequency of 8.00 Hz.What is its wavelength?arrow_forwardThe musical note "A" creates a sound wave that can be modeled by the function f(x)=sin(880πx)f(x)=sin(880πx), where xx represents the time in seconds. An "A" note completes 440440 cycles of the sine wave per second.What is the length of time for one period of this sine wave?arrow_forwardDuring a thunderstorm, 3.0 s elapses between observing a lightning flash and hearing the resulting thunder. Approximately how far away in kilometers and miles was the lightning flash? (Assume the speed of sound is 344 m/s.) km miarrow_forward
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