The figure shows a standing sound wave in an 80-cm- long tube. The tube is filled with an unknown gas. Take f = 600 Hz .(Figure 1) Figure 80 cm Molecule : 1 of 1 Part A What is the speed of sound in this gas? Express your answer to two significant figures and include the appropriate units. Usound= μᾶ Value Submit Request Answer Units Return to Assignment Provide Feedback www ?
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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 59.3 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? mmA baseball park is filled with 4400 home-team fans. In the bottom of the ninth inning, the home team's leading batter hits a game winning home run and all 4400 fans stand and cheer. Assume that each individual fan produces a sound intensity of 10- W/m2 , as heard from the pitching mound. Part A What is the total sound intensity heard at the pitching mound? Express your answer in watts per meter squared. W/m? Submit Request Answer Part B What is the total sound intensity level at the pitching mound? Express your answer in decibels. ? dB Submit Request AnswerA sound wave is modeled with the equation y=1/4cos2π/3 θ. 1. Find the period. Explain your method. 2. Find the amplitude. Explain your method
- Need help with part C, please!When poked by a spear, an operatic soprano lets out a 1047 Hz shriek. What is its wavelength (in m) if the speed of sound is 345 m/s? m Additional Materials O ReadingLearning 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 B = (10 dB) log Io where Io = 1.0 × 10-¹² W/m². The logarithm of x, written log(x), tells you the power to which you would raise 10 to get x. So, if y = log(x), then x = 10%. It is easy to take the logarithm of a number such as 10², because you…
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- Question 8 For research purposes, a sonic buoy is tethered to the ocean floor and emits an infrasonic pulse of sound (speed = 1992 m/s). The period of this sound is 96 millisecond. Determine the wavelength of the sound. No need to include the unit. Write your answer in scientific notation. (1.11e+1) Round your answer to 2 decimal places.Mercury’s density is about 17 times that of ethyl alcohol. Additionally, the bulk modulus for Mercury is about 27 times that of ethyl alcohol. From this information one can scientifically conclude Group of answer choices a. the speed of sound should be higher in Mercury than in ethyl alcohol b. the speed of sound should be lower in Mercury than in ethyl alcohol. c. the speed of sound should be about the same in both substances. d. the mercury is much more drinkable than the ethyl alcoholPlease solve and answer the question correctly please also be sure to have the correct units for the final answer. Thank you