Question

17. Consider a plane wave at a frequency of 1,000 Hz in air and Lp 87 dB (re: 20 uPa). What is the peak pressure and peak vel
0 0
Add a comment Improve this question Transcribed image text
Answer #1

Date Face 20ua re 2 10 1 - 6o03 Xlo Presige amplitude o 20XI - impealance ZxtGoeAt/ OD X1O2 Z0 Pe &rtove Pe Pc Aw A Pcw 0-3 2thank you

Add a comment
Know the answer?
Add Answer to:
17. Consider a plane wave at a frequency of 1,000 Hz in air and Lp 87...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • 2. A sound wave in air has a frequency of 510 Hz and a wavelength of...

    2. A sound wave in air has a frequency of 510 Hz and a wavelength of 0.68 m. What is the air temperature? a 18°C c. 15°C d. 27°C e. 8°C 3. What is the intensity of a sound with a measured intensity level of 83 dB? (lo a. 8.4*10 W/m2 b. 2.0*104 W/m2 c. 1.3*10-5 W/m2 d. 7.4*104 W/m2 e. 0.4*103 W/m2 1012 W/m2)

  • A sound wave has an intensity level of 123.5 dB in air. The density of air...

    A sound wave has an intensity level of 123.5 dB in air. The density of air at 20.0°C is ρ = 1.20 kg/m3. The speed of sound in air at 20.0°C is v = 343 m/s What is the pressure amplitude of the wave? in N/m2

  • A plane wave at 2,000 Hz has a sound intensity level of 75 dB. What is...

    A plane wave at 2,000 Hz has a sound intensity level of 75 dB. What is Prms in Pa? d. 3.6x10 5.1x10-1 f. None of the above a. 3.6x10-2 b. 1.1x10-1 c. 2.3x10-1 e. 0. A plane wave at 1,050 Hz in air at room temperature has a sound intensity level of 60 dB. What is the wavelength in ft? a. 0.27 b. 0.33 d. 0.90 1.07 e. c. 0.78 f. None of the above A plane wave at 2,000...

  • The sound from a trumpet radiates uniformly in all directions in air with a temperature of...

    The sound from a trumpet radiates uniformly in all directions in air with a temperature of 20∘C. At a distance of 4.98 m from the trumpet the sound intensity level is 56.0 dB. The frequency is 586 Hz. Use 344 m/s for the speed of sound in air, 1.20 kg/m3 for the density of air, and 1.00×10−12 W/m2 for the reference intensity. a) What is the pressure amplitude at this distance? b) What is the displacement amplitude? Use 1.42×105 Pa...

  • The intesity of a wave is I=2π2ρvf2A2, where ρ is the density of the medium, v...

    The intesity of a wave is I=2π2ρvf2A2, where ρ is the density of the medium, v is the speed of wave, f is the frequency, and A is the amplitude. The density of air is 1.29 kg/m3, the speed of sound in air is 343 m/s, the intensity of the reference level required to determine the sound level is 1.0×10−12W/m2. What would be the sound level (in dB ) of a sound wave in air that corresponds to a displacement...

  • The sound from a trumpet radiates uniformly in all directions in air with a temperature of...

    The sound from a trumpet radiates uniformly in all directions in air with a temperature of 20∘C. At a distance of 4.90 m from the trumpet the sound intensity level is 49.0 dB . The frequency is 584 Hz . Part A What is the pressure amplitude at this distance? Use 344 m/s for the speed of sound in air, 1.20 kg/m3 for the density of air, and 1.00×10−12 W/m2 for the reference intensity. Part B What is the displacement...

  • A 85.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The...

    A 85.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at 20.0°C is 1.20 kg/m3. Speed of sound in air at 20.0°C is 343 m/s. What is the displacement amplitude of a 85.0-Hz sound wave?

  • A 72.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The...

    A 72.0-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at 20.0°C is 1.20 kg/m3. Speed of sound in air at 20.0°C is 343 m/s. What is the displacement amplitude of a 72.0-Hz sound wave? Answer in nm

  • 1. If a sound of frequency 1000 Hz has intensity level 30 dB, what would be...

    1. If a sound of frequency 1000 Hz has intensity level 30 dB, what would be the intensity level of sound frequency 50 Hz which appears to have equal loudness? (Answer= 60 dB) 2. Intensity of 30 dB, 1000 Hz sound= (Answer= 1.000 x 10-9 W/m^2) *3. What is intensity (in W/m^2) of the equal loudness 50 Hz sound? (Answer is NOT 50.12 x 10^-12) *4. What is the ratio of the pressure variation (in amplitude) of the equal loudness...

  • A sound wave traveling in 20°C air has a pressure amplitude of 0.448 Pa. What is...

    A sound wave traveling in 20°C air has a pressure amplitude of 0.448 Pa. What is the intensity of the wave? (Assume the density of air is 1.29 kg/m3. Enter your answer in W/m2.) ________W/m2

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT