wo identical loudspeakers, A and B, are 2.00 m apart. The loudspeakers are driven by the same amplifier and mit 784 Hz sound waves in all directions. Take the speed of sound in air to be 344 m/s. A small nicrophone is moved out from point B along a line perpendicular to the line connecting A and B (line BC n the figure (Figure 1)). gure Al B ㅈ 2.00 m < 1 of 1 C

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Two identical loudspeakers, A and B, are 2.00 m apart.
The loudspeakers are driven by the same amplifier and
emit 784 Hz sound waves in all directions. Take the
speed of sound in air to be 344 m/s. A small
microphone is moved out from point B along a line
perpendicular to the line connecting A and B (line BC
in the figure (Figure 1)).
Figure
A
B
2.00 m
1 of 1
Part A
At what distances from B will there be destructive interference?
Enter your answers in ascending order separated by commas. Express your answers in meters.
X1, X2, X3, X4, X5 =
Submit
Part B
17| ΑΣΦ
Request Answer
x1, x2, x3, x4 =
Submit
At what non-infinite distances from B will there be constructive interference?
Enter your answers in ascending order separated by commas. Express your answers in meters.
17 ΑΣΦ
Request Answer
?
?
m
m
Rev
Transcribed Image Text:Two identical loudspeakers, A and B, are 2.00 m apart. The loudspeakers are driven by the same amplifier and emit 784 Hz sound waves in all directions. Take the speed of sound in air to be 344 m/s. A small microphone is moved out from point B along a line perpendicular to the line connecting A and B (line BC in the figure (Figure 1)). Figure A B 2.00 m 1 of 1 Part A At what distances from B will there be destructive interference? Enter your answers in ascending order separated by commas. Express your answers in meters. X1, X2, X3, X4, X5 = Submit Part B 17| ΑΣΦ Request Answer x1, x2, x3, x4 = Submit At what non-infinite distances from B will there be constructive interference? Enter your answers in ascending order separated by commas. Express your answers in meters. 17 ΑΣΦ Request Answer ? ? m m Rev
▼
Part C
If the frequency is made low enough, there will be no positions along the line BC at which destructive interference occurs. How
low must the frequency be for this to be the case?
Express your answer in hertz.
fmin =
Submit
—| ΑΣΦ
V
Request Answer
?
Hz
Transcribed Image Text:▼ Part C If the frequency is made low enough, there will be no positions along the line BC at which destructive interference occurs. How low must the frequency be for this to be the case? Express your answer in hertz. fmin = Submit —| ΑΣΦ V Request Answer ? Hz
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