Moe, Larry, and Curly stand in a line with a spacing of d = 1.60 m . Larry is 3.

Question

Moe, Larry, and Curly stand in a line with a spacing of d = 1.60m . Larry is 3.00m  in front of a pair of stereo speakers 0.800m  apart, as shown in the figure(Figure 1) . The speakers produce a single-frequency tone, vibrating in phase with each other. Moe, Larry, and Curly stand in a line with a spacing of d = 1.60m . Larry is 3.00m  in front of a pair of stereo speakers 0.800m  apart, as shown in the figure(Figure 1) . The speakers produce a single-frequency tone, vibrating in phase with each other. Moe, Larry, and Curly stand in a line with a spacing of d = 1.60m . Larry is 3.00m  in front of a pair of stereo speakers 0.800m  apart, as shown in the figure(Figure 1) . The speakers produce a single-frequency tone, vibrating in phase with each other. Moe, Larry, and Curly stand in a line with a spacing of d = 1.60m . Larry is 3.00m  in front of a pair of stereo speakers 0.800m  apart, as shown in the figure(Figure 1) . The speakers produce a single-frequency tone, vibrating in phase with each other. Part A             What are the two lowest frequencies that allow Larry to hear a loud tone while Moe and Curly hear very little?

f =
kHz
Part A             What are the two lowest frequencies that allow Larry to hear a loud tone while Moe and Curly hear very little?

f =
kHz
Part A             What are the two lowest frequencies that allow Larry to hear a loud tone while Moe and Curly hear very little?

f =
kHz
Part A             What are the two lowest frequencies that allow Larry to hear a loud tone while Moe and Curly hear very little?

f =
kHz
Part A             What are the two lowest frequencies that allow Larry to hear a loud tone while Moe and Curly hear very little?

f =
kHz
Part A             What are the two lowest frequencies that allow Larry to hear a loud tone while Moe and Curly hear very little?

f =
kHz
f =
kHz f =
kHz Moe, Larry, and Curly stand in a line with a spacing of d = 1.60m . Larry is 3.00m  in front of a pair of stereo speakers 0.800m  apart, as shown in the figure(Figure 1) . The speakers produce a single-frequency tone, vibrating in phase with each other. Part A             What are the two lowest frequencies that allow Larry to hear a loud tone while Moe and Curly hear very little?

f =
kHz
Moe, Larry, and Curly stand in a line with a spacing of d = 1.60m. Larry is 3.00m in front of a pair of stereo speakers 0.800m apart, as shown in the figure(Figure 1) . The speakers produce a single-frequency tone, vibrating in phase with each other.

Explanation / Answer

Frequency = 0.425 KHz

As clear from figure Take any one source and take any one from curly and moe.

Let take moe , The distance of moe from speaker is about 3.23 m.

Now take Larry the distance from speaker is 3.026 m.

Now to have the following condition satisfied Larry should hear an antinode and Moe should hear a node.

So difference between the two points = 3.23 - 3.03 = 0.2 Should be (2n + 1)*(y/4)

Where y is wavelength.

0.2 = (2n + 1)*(y/4)

0.8/(2n + 1) = y

Frequency = v / y = (v / 0.8)*(2n + 1)

Which will be minimum when n = 0

Frequency = 340 / 0.8 = 425 Hz

Frequency = 0.425 KHz

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