Two loudspeakers are placed on a stage 5.4 m apart and are radiating the same frequency, in phase. An observer walks along a line parallel to the loudspeakers and 12.7 m from them. Starting from the central point of the line (equidistant from the two loudspeakers) she observes that, as she walks, the sound intensity first decreases and then increases to a maximum again when she has travelled 1.4 m.  a. Explain this observation.

Q: A standing wave pattern is created on a string with mass density p = 3 x 10-4  kg/m. A wave…

A: the mass density of the string,frequency of the frequency generator,distance between the generator…

Q: An open/open air column with a length that produces an n = 1 standing wave with a frequency of 402…

A:

Q: At high frequencies, the value of the propagation constant (y) is approximately : * y = (R + j @ L )…

A: Propagation Constant (γ)=α+Iβ where α is attenuation Constant and β is phase constant

Q: These two waves travel along the same string: Y1 = (3.79 mm) sin(1.75TX - 440zt) Y2 = (5.82 mm)…

A: using principle of superposition we have.

Q: Two sinusoidal sine waves are moving through a medium in the same direction, both having amplitude…

A: Amplitude of wave 1 (A)=3 cmApmlitude of wave 2 (A)= 3 cmTime period (T)= 6.52 sWavelength (λ) =…

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A: The velocity of an object is defined as the distance covered by that object in unit time. It can be…

Q: Speakers A and B are vibrating in phase. They are directly facing each other, are 1.33 m apart, and…

A: distance between the two speakers = 1.33 m frequency = 715 Hz speed of sound = 345 ms

Q: Two compact sources of sound near each other produce in-phase sine waves at each source. One source…

A: In the given situation two compact sources are producing in phase sine waves, one placed x1=12m…

Q: Spherical waves of wavelength 45.0 cm propagate outward from a point source. (a) Explain how the…

A: Given,      Wavelength of spherical waves = 45 cm

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A: Write the expression for the time period in terms of frequency of the oscillator.

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Q: Vibrator L Pulley

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Q: These two waves travel along the same string: Y₁ = (3.92 mm) sin(2.00zx - 370πt) Y2 = (5.01 mm)…

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Q: Two wires, each of length 1.8 m, are stretched between two fixed supports. On wire A there is a…

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Q: A length of string is attached to a speaker and passed over a pulley. A mass is attached to the…

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Q: These two waves travel along the same string: Y₁ = (3.61 mm) sin(2.03πx - 380nt) Y2 = (5.73 mm)…

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Stretched string

A stretched string is a wire which is made up of any metal that must have a larger length compared to its thickness. The ends of the wire are fixed, and when they oscillate or are plucked, it produces two reflected transverse waves of the same frequency and same amplitude. The waves or pulses are traveling in alternate directions and superimpose with one another. This waveform is named standing or stationary waves.