10. The figure shows two loudspeakers (A) and (B), and a point (C) where a listener is positioned. The speakers vibrate out of phase and are playing a 71.0 Hz tone. The speed of sound is 336 m/s. The listener at point (C) hears the second destructive interference (not counting the point at infinity) at a distance 4.50 m as measured from speaker (A). What is the separation (d) between the two speakers? m

10. The figure shows two loudspeakers (A) and (B), and a point (C) where a listener is positioned. The speakers vibrate out of phase and are playing a 71.0 Hz tone. The speed of sound is 336 m/s. The listener at point (C) hears the second destructive interference (not counting the point at infinity) at a distance 4.50 m as measured from speaker (A). What is the separation (d) between the two speakers? m

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter17: Physics Of Hearing

Section: Chapter Questions

Problem 4PE: (a) What is the speed of sound in a medium where a 100kHz frequency produces a 5.96cm wavelength?...

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(a) What is the speed of sound in a medium where a 100kHz frequency produces a 5.96cm wavelength? (b) Which substance in Table 17.1 is this likely to be?
9. Two out of phase loudspeakers are some distance apart. A person stands 5.50 m from one speaker and 4.10 m from the other. What is the fourth lowest acceptable frequency at which the person will hear destructive interference? The speed of sound in air is 345 m/s. Hz
1. The figure shows a loudspeaker A and point C, where a listener is positioned. IACI = 2.50 m and the angle 0 = 50 °. A second loudspeaker B is located somewhere to the left of A. The speakers vibrate out of phase and are playing a 61.0 Hz tone. The speed of sound is 343 m/s. What is the third closest distance to speaker A that speaker B can be located, so that the listener hears no sound? m
3. A speaker is to be installed in front of the EIE large class which is 10m long. Given the acceptable hearing level of the students is pegged at 3×10^−2Wm^−1 Determine the minimum power level of the Speaker system to be installed in the class. 4. The output from Korede’s MP3 player is measured to be 3×10^−2Wm^−1 from a distance 5m away. Assuming the effects of absorption and reflection are negligible, Determine the power output of the MP3 player
! 1. Two out of phase loudspeakers are some distance apart. A person stands 5.60 m from one speaker and 3.60 m from the other. What is the second lowest frequency at which destructive interference will occur at this point? The speed of sound in air is 340 m/s. Q A 1 -ion N 2 W S X command # W = 3 E Hz D $ 4 C R F G Search or type URL % 31 3 5 V T MacBook Pro G A 6 B Y H & 7 U N 0 8 J - 7 M ( 9 K O V- jj1332 jjl I 10 O L 1332 jj1332 command P > . : I ; option { [ + 11 ? = 1 FF F LO } 1
Two loudspeakers are placed in line with each other in a 20°C room. Both speakers emit soundwaves of 857.5 Hz. What is the smallest distance between the speakers for which the sound waves will have destructive interference? What is the smallest distance for which they can have constructive interference?
Problem 12: Two speakers placed 0.98 m apart produce pure tones in sync with each other at a frequency of 1225 Hz. A microphone can be moved along a line parallel to the line joining the speakers and 9.6 m from it. An intensity maximum is measured a point Po where the microphone is equidistant from the two speakers. As we move the microphone away from Po to one side, we find intensity minima and maxima alternately. Take the speed of sound in air to be 344 m/s, and you can assume that the slits are close enough together that the equations that describe the interference pattern of light passing through two slits can be applied here. Part (a) What is the distance, in meters, between Po and the first intensity minimum? ly'₁l = 1 ~Part (b) What is the distance, in meters, between Po and the first intensity maximum? Part (c) What is the distance, in meters, between Po and the second intensity minimum? Part (d) What is the distance, in meters, between Po and the second intensity maximum? Part…
An audio system is emitting a sound at a frequency of 676 Hz through two speakers separated by a distance d = 0.620 m. What's the shortest distance for a person to hear maximum intensity if he was facing the speaker on the right (see picture).
i ock 10. The figure shows two loudspeakers (A) and (B), and a point (C) where a listener is positioned. The speakers vibrate out of phase and are playing a 72.0 Hz tone. The speed of sound is 338 m/s. The listener at point (C) hears the second constructive interference at a distance 6.00 m as measured from speaker (A). What is the separation (d) between the two speakers? esc ! 1 Q A ← 1 N NO 2 W S . m # 3 Xx H control option command с E D $ 4 с R FL se i % G Search or type URL 5 V ZEEL!! ZEEL! ZEEI!! zee!! zelf ze T G) 3133 jj1332 jj1332 jj13 jj1332 jj13 MacBook Pro 6 B Y 232332111332 jj1332 jj1332 jj13324 & v lo H 7 11332 jj1332 1133211332 jj332 jj1332, jj U N 00 * 8 J 1332 jj1332 jj1332 jjl332 jj242-1 I M ✪ ( 9 o K O : 7 I ; Ÿ option { [ ? = 1 I A O } ] delete I V
7. When a student tried to set up a home theater system,he arranged two speakers A and B on a wall at a distance 0.845m between them. Now he tried to fix a microphone on the same wall in line with the speakers. The microphone is placed 2.55m from the center points of the two speakers. What is the lowest frequencies of the speakers which will be experienced maximum at the microphone.
Two speakers placed 0.99 m apart produce pure tones in sync with each other at a frequency of 1425 Hz. A microphone can be moved along a line parallel to the line joining the speakers and 8.2 m from it. An intensity maximum is measured a point P0 where the microphone is equidistant from the two speakers. As we move the microphone away from P0 to one side, we find intensity minima and maxima alternately. Take the speed of sound in air to be 344 m/s, and you can assume that the slits are close enough together that the equations that describe the interference pattern of light passing through two slits can be applied here Part (a) What is the distance, in meters, between P0 and the first intensity maximum? |y1| =? Part (b) What is the distance, in meters, between P0 and the second intensity minimum? |y'2| = ? Part (c) What is the distance, in meters, between P0 and the second intensity maximum? |y2| =? Part (d) What is the distance, in meters, between P0 and the third intensity…
Two speakers placed 0.99 m apart produce pure tones in sync with each other at a frequency of 1425 Hz. A microphone can be moved along a line parallel to the line joining the speakers and 8.2 m from it. An intensity maximum is measured a point P0 where the microphone is equidistant from the two speakers. As we move the microphone away from P0 to one side, we find intensity minima and maxima alternately. Take the speed of sound in air to be 344 m/s, and you can assume that the slits are close enough together that the equations that describe the interference pattern of light passing through two slits can be applied here. Part (a) What is the distance, in meters, between P0 and the first intensity minimum? |y'1| =? Part (b) What is the distance, in meters, between P0 and the first intensity maximum? |y1| =? Part (c) What is the distance, in meters, between P0 and the second intensity minimum? |y'2| =? Part (d) What is the distance, in meters, between P0 and the second intensity…