1. Two speakers are 4.5 meters apart, in phase, and produce a single sound wave with #wavelength λ = 0.8m. Three points labelled A, B, and C are 4.0m, 8.0m, and 12.0m below the speaker on the left, as shown. Fill in the table with the required information, and indicate whether the point sees Constructive or Destructive interference. (Hint: remember the Pythagorean theorem!) 4.5m A B C 41 AL= L2 14-121 AL 2 T sh C/D 4m 4m 4m B с C Hint: Remember the Pythagorean Thorem: c²=a² + b² a b

1. Two speakers are 4.5 meters apart, in phase, and produce a single sound wave with #wavelength λ = 0.8m. Three points labelled A, B, and C are 4.0m, 8.0m, and 12.0m below the speaker on the left, as shown. Fill in the table with the required information, and indicate whether the point sees Constructive or Destructive interference. (Hint: remember the Pythagorean theorem!) 4.5m A B C 41 AL= L2 14-121 AL 2 T sh C/D 4m 4m 4m B с C Hint: Remember the Pythagorean Thorem: c²=a² + b² a b

Similar questions

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
9. Two small stereo speakers are driven in step by the same variable- frequency oscillator. Their sound is picked up by a microphone arranged as shown in the figure. For what two lowest frequencies above 100 Hz does their sound at the speakers produce (a) constructive interference and (b) destructive interference? (Given sound speed 345 m/s.) 2.00 m 4.50 m Microphone
The following graph shows the superposition of two identical sound waves that are out of phase. Sketch the resulting sound wave on the graph and identify the type of interference. What does this mean for the listener hearing these two waves simultaneously? mo 2.38 3.30 A
3. The measurement for sine wave of water, y displacement (water level) as function of time t (x-axis), is shown below. Find the period T based on the information in the Figure below. Calculate the frequency by f = 1/T (Hz). 4.The measurement for sine wave of water, y displacement (water level) as function of position x (horizontal axis), is shown below. Find the wavelength λbased on the information in the Figure below. Calculate the speed of wave using T from question 3 by ʋ = λ /T. Note: Required to show work.
Needs Complete typed solution with 100 % accuracy.
4. Two side-by-side (virtually no separation) speakers are wired such that they emit a single-frequency sound out of phase with each other by radians, and radially-outward. The tone heard from the two speakers combined has a decibel level of 36 dB. a. If one of the speakers is suddenly disconnected, what is the decibel level heard? b. If both speakers are connected and the listener moves to a distance from the speakers that is 5 times greater than where the 36dB sound was heard, what is the new decibel level heard? Assume that the waves travel radially from the speakers.
Express your answer in watts per meter squared. I = Part B 197| ΑΣΦ X Incorrect; Try Again; 2 attempts remaining What is the corresponding sound intensity level in dB? Express your answer in decibels. Η ΑΣΦ B = ? ? W/m² dB What is the sound intensity of a whisper at a distance of 3.5 m, in W/m²? Whisper 1. Om = 20 dB
4. You are standing 4.0 m in front of a speaker, which is 3.0 m away from the other speaker on a line perpendicular to your line with the first speaker (see diagram below). They are playing a 688 Hz sinusoidal tone in phase. Assume the speed of sound is 344 m/s. Are you at a node, an antinode or some other point? Show a calculation that proves your point (hint: is a node a point of constructive or destructive interference?). 3.0 m 1923ni टर