A point source emits sound isotropically. At a distance of 4 m from the source, the sound level is 82 dB. What is the average power of the source? Select one: O a. 16487.078 W O b. 0.032 W O c. 4121.770 W O d. 328.000 W
Q: The sound intensity of two alarms is detected at a particular point. The first alarm has an…
A: Given: The intensity of first alarm (I1) = 103.7 W/m2. Intensity of second alarm is 11 dB louder…
Q: Points R and S have a distance of 50 meters and 500 meters respectively from the sound source. If…
A:
Q: You hear a sound of (4.5x10^1) decibels. What is the intensity? Give your answer in microwatts/m2 to…
A: according to company guideline we need to solve only first question. if you want to answered any…
Q: The intensity of a sound wave coming from a spherical source 5 meters away is 0.1 ", m2 What is the…
A: Given data: Distance of the spherical source (r) = 5 m Intensity of the sound (I) = 0.1 W/m2 Need to…
Q: An observer at the origin places 2 speakers. Speaker 1 - (50 W speaker at 5 m) and Speaker 2 -…
A:
Q: A sound source that radiates equally in all directions has an intensity of 48 dB at a distance of 23…
A: (a) Let L1 denotes the intensity level at distance r1, I1 denotes the intensity, I0 denotes the…
Q: Sound travels at VELOCITY of 345 m/s in air. A violin plays a note at FREQUENCY 412 (1/s). What is…
A:
Q: If the sound intensity level of a plane engine is 140 dB above the threshold of hearing, the sound…
A: The sound intensity level of the engine, β=140 dB The threshold intensity, I0=10-12 W/m2
Q: 6. An organ pipe with one open end and one closed end has a harmonic resonance frequency at 2988.0…
A:
Q: 12. A loudspeaker has a round opening with a radius of 9.50 cm. The electrical power needed to…
A: Radius of opening of loudspeaker r=9.5 cm=0.095 m, sound Intensity at the opening I=17.5 W/m2 and…
Q: A 450 Hz sound wave in 20∘C air propagates into the water of a swimming pool. Assume that the wave's…
A: Frequency of wave doesnt depend on the medium it depend only on the source. wave's frequency in the…
Q: What is the critical angle for total internal reflection for light entering a certain medium (n = 3)…
A: Light is entering a certain medium having a refractive index n1 = 3 from the air which has a…
Q: What is the sound intensity level in decibels for a sound wave traveling in air at 20°c and having a…
A: Pressure amplitude (P) = 0.5 Pa density (d) = 1.2 kgm3Speed of sound (v) = 343 ms
Q: The sound intensity at a certain location is 4.0×10-6 W/m2. What is the sound intensity level at…
A: Given : Intensity at certain level (I) = 4.0×10-6 W/m2. threshold intensity (I0) = 1 x 10-12…
Q: A sound has a high pitch and a low volume. What is probably true of this sound wave?
A: Pitch of a sound depends on the frequency of the sound. High pitch means shrill or high frequency…
Q: A certain noise produces 6.2x10^-4 w/m^2 of power. What is the decibel level of this noise? Given…
A: Given value--- I = 6.2 × 10-4 W/m2 . I0 = 10-12 W/m2 . We have to find--- sound level ?
Q: b.) A sound has an initial volume of 55.0 dB. The volume suddenly increases to 87.0 dB. By what…
A: To find the factor by which the sound intensity increased, we can use the formula that relates the…
Q: Young's modulus for steel is 20*10^10 N/m^2 and the density is 7.8*10^3 kg/m^3. The bulk modulus for…
A:
Q: A sound has an intensity of 0.0000024 Watts per square meter. What is this sound's decibel level?
A:
Q: In the afternoon, the decibel level of a busy freeway is 100 dB with 100 cars passing a given point…
A:
Q: The warning tag on a lawn mower states that it produces noise at a level of 96.0 dB. What is this in…
A:
Step by step
Solved in 2 steps
- The source of a sound wave has a power of 5.91macrowatts.if it is a point source A)what is the intensity If the distance is 1.62m: What is the sound levelI'm not sure how to solve this type of problem. Detailed steps would be very helpful, please. The intensity of a sound wave is 100 W/m2 at a distance of 3 m. a. What is the intensity of the sound wave at a distance of 6 m? b. What is the intensity at 9 m?The sound level at a distance d=34 m from a loudspeaker is 70 dB. What is the power (in Watt) at which sound energy is being produced by the loudspeaker?. The threshold of hearing, lo = 1*10-12 W/m2, A. 0.5265 B. 0.3812 C. 0.1453 D. None E. 0.5812
- 2. A spherical source radiates sound uniformly in all directions. At a distance of 11 m, the sound intensity level is 94 dB. What power is radiated by this source? W cei16 cei16. 116 cci16 cei ceil6 ccil6⁹ to the the 911The area of a typical eardrum is approximately 5.0 x 10°m². Calculate the sound power on the eardrum at: (Intensity = Power/Area) a. The threshold of hearing. b. The threshold of pain.The softest sound a human ear can hear is at 0 dB (Io = 10-12 W/m2). Sounds above 130 dB cause pain. A particular student's eardrum has an area of A = 51 mm^2. a. What is the most power, in watts, the ear can receive before the listener feels pain? b. What is the smallest power, in watts, the ear can detect?
- B6The speed of sound in air is 340 m/s, and the density of air is 1.20 kg/m³. If the displacement amplitude of a 510.0-Hz sound wave is Pa 14.0 μm, what is its pressure-variation amplitude? iHi there. Can someone walk me through this problem? Thank you. The African cicada is the world's loudest insect, producing a sound intensity level of 107 dB at a distance of 0.50 m. What is the intensity of its sound (in W/m2) as heard by someone standing 2.3 m away?
- The following overall sound pressure levels are measured from individual items of plant at the same location: 63 dB, 65 dB, 58 dB, 43 dB. Calculate the cumulative sound pressure level if all items of plant were to operate simultaneously:a. 64.0dBb. 67.6 dBc. 67.0 dBd. 135.3 dB6. You measure the intensity level of a sound wave 6 cm from its source (treat as a point source), and the result is 84 dB. What is the intensity of this sound wave? Answer: