A bird dives to catch a fish at 5.00 m/s. Biologists say this bird makes a noise at115.000 Hz. Field biologists are on a stationary boat as the bird approaches them, and they measurethe frequency of the bird's sound to be 116.668 Hz. What is the air temperature that day, in degreesFahrenheit? Express your answer to 3 sig figs. Note: This calculation is very sensitive to rounding. Keepto at least 4 places after the decimal point during your calculations.

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Answered: A bird dives to catch a fish at 5.00…

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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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. Question 6 options: 1798 m 3444 m 3596 m 7192 m
In the upper atmosphere at altitudes where commercial airlines travel, we find extremely cold tempera-tures. What is the speed of sound (in metric units) for a temperature of -55 ◦ C? Calculate to one decimal.
On a hot day in Houston, the temperature was recorded at 37.8 deg. C. Determine the values for the speed of sound at this temperature in each case. Use your results in the third equation to determine the percentage difference. V(Tc) 331+ 0.6T = = (331) (773) V(TK) = 1/2 V(TC) - V(TK) (V(Tc) – V(TK))/2| %Diff = |fe x100 x 2.10 % 0.05% 0.17% 2,51 %
The coldest recorded temperature of air on Earth, -128.6°F, occurred on July 21, 1983, at Vostok, a Russian station in Antarctica. What is the speed of sound in air at this temperature? m/s
a noise level meter reads the sound level in a room to be 85 dB. What is the intensity of sound in W/m^2?
The accepted value for the speed of sound in dry air is 331.50 m/s at 0 °C. This speed increases by 0.607 m/s for each additional °C. Compute the accepted value for the speed of sound in air at a room temperature of 27 °C, also known as 300 K because T = 273.15 + t ( Here t is in degree Celsius).
A sound has an intensity level of 118 dB. What is the physical sound intensity in watts/m2?
The highest natural atmospheric temperature ever recorded on Earth was 58oC (136oF), at El Azizia, Libya on September 13, 1922. The record low temperature was -89oC (-129oF), which occurred at the Soviet Vostok Station in Antarctica on July 21, 1983. What is the difference in the speed of sound in air for these two extreme temperatures? answer in m/s.
. A small reverberation chamber 8ftx9ft x10ft effective sound absorption coefficient of certain acoustical tile. The observed is employed to measure the reverberation time is 5.0 second, or 1.0 second when 40 ft of acoustical tiles is used to cover part of one wall of the chamber. Find the effective sound absorption coefficient of the tile. sw (0.71)
A sound wave has a frequency of 632 Hz in air and a wavelength of 0.51 m. What is the temperature of the air? Assume the velocity of sound at 0°C is 331 m/s. Answer in units of °C.
a bat can detect small objects such as an insect whose size is approximately equal to one wavelength of the sound the bat makes. if bats emit a chirp at a frequency of 20.2 kHz and the speed of sound in air is 323 m/s, what is the smallest insect a bat can detect? answer in units of mm
Item 9 Learning Goal: To learn the properties of logarithms and how to manipulate them when solving sound problems. The intensity of sound is the power of the sound waves divided by the area on which they are incident. Intensity is measured in watts per square meter, or W/m². The human ear can detect a remarkable range of sound intensities. The quietest sound that we can hear has an intensity of 10-¹2 W/m², and we begin to feel pain when the intensity reaches 1 W/m². Since the intensities that matter to people in everyday life cover a range of 12 orders of magnitude, intensities are usually converted to a logarithmic scale called the sound intensity level 3, which is measured in decibels (dB). For a given sound intensity I, B is found from the equation ß = (10 dB) log (1). where Io = 1.0 × 10-¹2 W/m². Part A What is the value of log(1,000,000)? Express your answer as an integer. ► View Available Hint(s) The logarithm of x, written log(x), tells you the power to which you would raise 10…

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