Two speakers are in phase and produces the same frequency as shown. The smallest frequency for which no sound is heard at Point P is: a) 100 Hz b) 200 Hz c) 500 Hz d) 1000 Hz e) 1500 Hz
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- Consider the figure below. r= 1 m r=2m 1 44 r=3m -lo i Indicate over how many squares the sound waves would spread for r = 8 m. x squares The sound intensity would decrease to what fraction in value?You are standing 2.5 m directly in front of one of the two loudspeakers shown in the figure. They are 3.0 m apart and both are playing a 686 Hz tone in phase. (Figure 1) Figure 3.0 m 2.5 m Walk 1 of 1 Part A As you begin to walk directly away from the speaker, at what distances from the speaker do you hear a minimum sound intensity? The room temperature is 20 °C. Express your answer numerically using two significant figures. If there is more than one answer, enter your answers in ascending order separated by commas. ► View Available Hint(s) x = ΑΣΦ 17.68,5.62,2.98 Submit Previous Answers Request Answer Review X Incorrect; Try Again; 5 attempts remaining mThe siren is moving away from the listener with a speed of 33m/s, and the listener moves toward the siren with a speed of 8 m/s what frequency does the listener hear if the siren emits sound with frequency 334 Hz. Speed of sound is 344 m/s.f
- WT-2 A pipe closed at one end and open at the other has a length of 0.750m. Jiatai places a speaker producing a low sound frequency above the open end of the tube. He then increases the frequency slowly. The pipe is in air at sea level. a) Draw the possible standing wave patterns for the sound waves in the tube starting with the lowest frequency. lowest frequency fa fo fa highest open end L=0.750m closed end L=D L= 2 b) Below each pattern write the tube-length-to-wavelength relationship for each pattern. c) Write the general symbolic relationship for the frequency of the n" harmonic, fn. Specify the possible values for n. d) Put the known information into your equation and find the numerical value of the frequencies fa, f, fes and fg. e) Jiatai can hear frequencies up to 19,980HZ. What is the highest frequency of the highest harmonic that Jiatai can hear from this tube and what is the harmonic number n of that harmonic?A tuning fork with frequency 457 Hz and a tuning fork with frequency 466 Hz are struck simultaneously. (a) What average frequency will you hear? Number Hz (b) What will the beat frequency be? Number Hz(1-2) Using a tuning fork, the resonance pattern shown is produced in a glass tube which is closed off at one end. The total length L of the tube is 100 cm from the closed end to the open end. 1. If the speed of sound is 343 m/s, the frequency of the tuning fork must be about Group of answer choices a. 320 Hz b. 343 Hz c. 429 Hz d. 858 Hz
- TI The sound intensity level 5.0 m from a large power saw is 100 dB. At what distance will the sound be a more tolerable 80 dB? Express your answer with the appropriate units. R₂ = Submit ΠΑ Templates Value Provide Feedback Request Answer Units ?The lower frequency limit of hearing for a particular human being is 25.9 Hz. What is the corresponding wavelength for this frequency if the air temperature is 23.1°C? 2-