14. Consider the two waves shown in Fig. 12–31. Each wave canbe thought of as a superposition of two sound waves withslightly different frequencies, as in Fig. 12–18. In which ofthe waves, (a) or (b), are the two component frequenciesfarther apart? Explain.1t (s)0.050.10.150.2-21t (s)0.050.10.15-2(b)FIGURE 12-31 Question 14.2.2.

The beat frequency is the frequency difference between two component frequencies. Higher the beat…

Answered: 14. Consider the two waves shown in…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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2) 2 sinusoidal waves are traveling in opposite direction and have the following wave functions: y1 0.4 sin (+0,25nt + 4mx) y2 0.4 sin (-0,25nt + 47x) Determine the maximum amplitude of the point situated at x= 1m A A 04 m BA 0.8 m CA 0 m D-A 02m LA 01
5) For the graph below, x is in millimeters and y is in V/m. Find the wave number k in rad/m. Graph of y = sin(x) 0.8 0.6 0.4 0.2 0.2 0.4 -0.6 90 135 180 225 270 315 30 405 450 495 5 0 505 630 675 720
11) The figure below shows the maximum displacement for a standing wave pattern. The earliest time between the two flashes (the solid and the dotted lines) is 0.025 s. The wave function describing the standing wave pattern shown is: t = 0 4 mm 1= 0.025 s 0.5 m (a) y(x, t) = 2mm sin(2nx)cos(20nt) (b) y(x, t) = (c) y(x, t) = 2mm sin(4nx)cos(20nt) (d) y(x, t) = 2mm sin(2nx)cos(40nt) %3D 4mm sin(2nx)cos(20nt) %3D %3D arliest time
14) A standing wave pattern of frequency 160 Hz is established on a 1.5 m long string fixed at both ends. If the speed of waves on the string is 24 m/s, then the number of nodes is: (а) 20 (b)10 (с) 21 (d)11
99.. The standing waves in air in a pipe of length L that is open at both ends have a speed v. The frequencies of the three lowest harmonics are A) v/L, 2v/L, and 3v/L B) v/2L, v/L, and 3v/2L C) 2/2, 2, and 32/2 D) L/v, 2L/v, and 3L/v E) 2/3, 22/3, and 32/3
4) A wave traveling along a very long string (not a standing wave) has the function y(x,t) = (3.2mm) sin [(69.8 rad/m) x + (13690 rad/s) t + 2.19rad]. Find the velocity of the wave.
A progressive wave y (x, t) = 0.2 sin (30t – 4.0 x) where x is in in cm and t is in s. Calculate: (a) its maximum velocity and (b) its maximum acceleration. 1. - [ Umax +6 ст s"1; атах 3 — 180 ст s-2]
The equation of a simple harmonic progressive wave is given by Y = 5 sin %3D 8t 20 t - 40 where the quantities are in S.I. | units. Calculate the wavelength, period and velocity of the wave.
4) The resultant intensity due to the constructive interference of two waves is 49 W/m. Evaluate the amplitude of each wave if the ratio of their amplitudes is 5/2
13) A sinusoidal wave on a string is described by the wave function y(x, t) = 0.02 sin(30x units). If the string's linear mass density is µ = 0.005 kg/m, then the transmitted power is: 400t) (SI (a) 1.3 W (b) 2.13 W (c) 4.48 W (d)5.54 W
A rocket in a fireworks display explored high in the air. The sound spreads out uniformly in all directions. The intensity of the sound is 2.0 x10o W m2 at a distance 120 m from the explosion. Determine the distance from the source at which the intensity is 0.80 x 10-6 W m2. 3. [189.74 m]
The greatest value ever achieved for the speed of sound in air is about 1.0 x 10ʻm/s, and the highest frequency ever produced is about 2.0 x 10°Hz. Find the wavelength of this wave.

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