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x] Incorrect A woman stands a distance d from a loud motor that emits sound uniformly...
A woman stands a distance d from a loud motor that emits sound uniformly in all directions. The sound intensity at her position is an uncomfortable 4.0×10-3 W/m2. At a distance 3.2 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
A woman stands a distance d from a loud motor that emits sound uniformly in all directions. The sound intensity at her position is an uncomfortable 3.4×10-3 W/m2. At a distance 2.5 times as far from the motor, what are (a) the sound intensity and (b) the sound intensity level relative to the threshold of hearing?
A woman stands a distance d from a loud motor that emits sound uniformly in all directions. The sound intensity at her position is an uncomfortable 3.2 *10-3 W/m2. At a position twice as far from the motor, calculate the following: (a) the sound intensity in W/m2 (b) the sound intensity level relative to the threshold of hearing
A source emits sound uniformly in all directions. There are no reflections of the sound. At a distance of 12 m from the source, the intensity of the sound is 3.3 × 10-3 W/m2. What is the total sound power P emitted by the source?
A source emits sound uniformly in all directions. A radial line is drawn from this source. On this line, determine the radial positions of two points, 1.04 m apart, such that the intensity level at one point is 2.87 dB greater than that at the other. (a) What is the smaller radial position (in m)? (b) What is the larger radial position (in m)? Sound sourcei B2 (a) Number Units (b) Number Units
A rock group is playing in a bar. Sound emerging from the door spreads uniformly in all directions. The intensity level of the music is 126 dB at a distance of 2.47 m from the door. At what distance is the music just barely audible to a person with a normal threshold of hearing? Disregard absorption. Answer in units of m.
A listener increases his distance from a sound source by a factor of 5.45. Assuming that the source emits sound uniformly in all directions, what is the change in the sound intensity level in dB?
012 10.0 points A rock group is playing in a bar. Sound emerging from the door spreads uniformly in all directions. The intensity level of the music is 109 dB at a distance of 4.74 m from the door At what distance is the music just barely audible to a person with a normal threshold of hearing? Disregard absorption. Answer in units of m
Chapter 16, Problem 074 A source emits sound uniformly in all directions. A radial line is drawn from this source. On this line, determine the radial positions of two points, 0.990 m apart, such tnat thity level at one point is 2.09 dB greater than that at the other. (a) What is the smaller radial position (in m)? (b) What is the larger radial position (in Sound source Chapter 17, Problem 07 The drawing shows a loudspeaker A and point...
Course Home <Ch 16 HW Problem 16.56 Part A The sound from a trumpet radiates uniformly in all directions in air with a temperature of 20°C Al a distance of 4.92 m from the trumpet the sound intensity level is 470 dB. The frequency is 589 Hz Use 344 m/s for the speed of sound in air, 1.20 kg/m for the density of air, and 1.00x10-12 W/m for the reference intensity What is the pressure amplitude at this distance? Express...