please solve and answer the question correctly please. Thank you!! (Hint in second photo) First, form a ratio by using equation 16.5 twice. Then, solve for the temperature of the helium gas. Be careful with the units oftemperature. At what temperature is the speed of sound in helium (ideal gas, y = 1.67, atomic mass = 4.003 u) the same as its speed in oxygen gas at4.76 °C? The speed of sound in oxygen at 4.76°C is 317 m/s.Number iUnits

Step 1: Step 2: Step 3: Step 4:

Answered: First, form a ratio by using equation…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter13: Mechanical Waves

Section: Chapter Questions

Problem 9OQ

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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
A sound wave traveling in air has a pressure amplitude of 0.5 Pa. What is the intensity of the wave?
A sound wave in air has a pressure amplitude equal to 4.00 103 Pa. Calculate the displacement amplitude of the wave at a frequency of 10.0 kHz.
(a) What is the speed of sound in a medium where a 100-kHz frequency produces a 5.96-cm wavelength? (b) Which substance in Table 17.1 is this likely to be?
A pipe is observed to have a fundamental frequency of 345 Hz. Assume the pipe is filled with air (v = 343 m/s). What is the length of the pipe if the pipe is a. closed at one end and b. open at both ends?
A sound wave is modeled with the wave function P=1.20Pasin(kx6.28104s1t) and the sound wave travels in air at a speed of v=343.00 m/s. (a) What is the wave number of the sound wave? (b) What is the value for P(3.00 m, 20.00 s)?
A tuning fork vibrates producing sound at a frequency of 512 Hz. The speed of sound of sound in air is v=343.00 m/s if the air is at a temperature of 20.00°C . What is the wavelength of the sound?
In Section 16.7, we derived the speed of sound in a gas using the impulsemomentum theorem applied to the cylinder of gas in Figure 16.20. Let us find the speed of sound in a gas using a different approach based on the element of gas in Figure 16.18. Proceed as follows. (a) Draw a force diagram for this element showing the forces exerted on the left and right surfaces due to the pressure of the gas on either side of the element. (b) By applying Newtons second law to the element, show that (P)xAx=Ax2st2 (c) By substituting P = (B s/x) (Eq. 16.30), derive the following wave equation for sound: B2sx2=2st2 (d) To a mathematical physicist, this equation demonstrates the existence of sound waves and determines their speed. As a physics student, you must take another step or two. Substitute into the wave equation the trial solution s(x, t) = smax cos (kx t). Show that this function satisfies the wave equation, provided /k=v=B/.
Write an expression that describes the pressure variation as a function of position and time for a sinusoidal sound wave in air. Assume the speed of sound is 343 m/s, = 0.100 m, and Pmax = 0.200 Pa.
Some studies suggest that the upper frequency limit of hearing is determined by the diameter of the eardrum. The wavelength of the sound wave and the diameter of the eardrum are approximately equal at this upper limit. If the relationship holds exactly, what is the diameter of the eardrum of a person capable of hearing 20 000 Hz? (Assume a body temperature of 37.0C.)
(a) What is the fundamental frequency of a 0.672-mlong tube, open at both ends, on a day when the speed of sound is 344 m/s? (b) What is the frequency of its second harmonic?
A dolphin (Fig. P17.7) in seawater at a temperature of 25C emits a sound wave directed toward the ocean floor 150 m below. How much time passes before it hears an echo?

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