EBK PHYSICS FOR SCIENTISTS & ENGINEERS
5th Edition
ISBN: 9780134296074
Author: GIANCOLI
Publisher: VST
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Chapter 15, Problem 39P
To determine
The assumption
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(b) The equation of a transverse wave on a string is y = (00021 m) sin [(20 m²' ) x +
(30 s') t. (I) Calculate the wavenumber and time period, (II) Also calculate the wave
speed.
A transverse wave traveling along an x axis has the fornm
given by
(16-18)
y =y," sin(kx ± ω1 + φ).
Figure 16-8a gives the displacement of string elements as a
function of , al at time0. Figure 16-8h gives the
displacements of the element at x 0 as a function oft. Find
the values of the quantities shown in Eq. 16-18, including the
correct choice of sign.
(min)
10
20
-10
-20
-9
*レ
b)
GO Figure 16-46 shows
transverse acceleration a, versus
time t of the point on a string at
70
x = 0, as a wave in the form of
y(x, t) = ym sin (kx – wt + 4)
passes through that point. The
scale of the vertical axis is set
%3D
by a, = 400 m/s². What is ?
Figure 16-46 Problem 70.
(Caution: A calculator does not
always give the proper inverse trig function, so check your answer by
substituting it and an assumed value of w into y(x, t) and then plotting
the function.)
Chapter 15 Solutions
EBK PHYSICS FOR SCIENTISTS & ENGINEERS
Ch. 15.1 - Prob. 1AECh. 15.1 - You notice a water Wave pass by the end of a pier...Ch. 15.2 - A wave starts at the left end of a long cord (see...Ch. 15.4 - A wave is given by D(x, t) = (5.0 mm) sin(2.0x ...Ch. 15 - Prob. 1QCh. 15 - Explain the difference between the speed of a...Ch. 15 - Prob. 3QCh. 15 - What kind of waves do you think will travel down a...Ch. 15 - Prob. 5QCh. 15 - Prob. 6Q
Ch. 15 - The speed of sound in most solids is somewhat...Ch. 15 - Give two reasons why circular water waves decrease...Ch. 15 - Prob. 9QCh. 15 - Will any function of (x t)see Eq. 1514represent a...Ch. 15 - When a sinusoidal wave crosses the boundary...Ch. 15 - If a sinusoidal wave on a two-section cord (Fig....Ch. 15 - Is energy always conserved when two waves...Ch. 15 - Prob. 14QCh. 15 - Prob. 15QCh. 15 - Prob. 16QCh. 15 - Prob. 17QCh. 15 - Prob. 18QCh. 15 - When a standing wave exists on a string, the...Ch. 15 - When a cord is vibrated as in Fig. 1525 by hand or...Ch. 15 - AM radio signals can usually be heard behind a...Ch. 15 - Prob. 22QCh. 15 - Prob. 1MCQCh. 15 - Prob. 2MCQCh. 15 - Prob. 3MCQCh. 15 - Prob. 4MCQCh. 15 - Prob. 5MCQCh. 15 - Prob. 6MCQCh. 15 - Prob. 7MCQCh. 15 - Prob. 8MCQCh. 15 - Prob. 9MCQCh. 15 - Prob. 10MCQCh. 15 - Prob. 11MCQCh. 15 - Prob. 1PCh. 15 - Prob. 2PCh. 15 - (I) Calculate the speed of longitudinal waves in...Ch. 15 - (1) AM radio signals have frequencies between 550...Ch. 15 - Prob. 5PCh. 15 - Prob. 6PCh. 15 - Prob. 7PCh. 15 - Prob. 8PCh. 15 - Prob. 9PCh. 15 - Prob. 10PCh. 15 - Prob. 11PCh. 15 - Prob. 12PCh. 15 - Prob. 13PCh. 15 - Prob. 14PCh. 15 - Prob. 15PCh. 15 - Prob. 16PCh. 15 - Prob. 17PCh. 15 - Prob. 18PCh. 15 - Prob. 19PCh. 15 - (II) Show that the intensity of a wave is equal to...Ch. 15 - Prob. 21PCh. 15 - Prob. 22PCh. 15 - Prob. 23PCh. 15 - Prob. 24PCh. 15 - Prob. 25PCh. 15 - Prob. 26PCh. 15 - (II) A transverse wave pulse travels to the right...Ch. 15 - Prob. 28PCh. 15 - Prob. 29PCh. 15 - (II) Write the equation for the wave in Problem 28...Ch. 15 - (II) A sinusoidal wave traveling on a string in...Ch. 15 - Prob. 32PCh. 15 - Prob. 33PCh. 15 - (II) Determine if the function D = A sin k x cos t...Ch. 15 - (II) Show by direct substitution that the...Ch. 15 - Prob. 36PCh. 15 - Prob. 37PCh. 15 - Prob. 38PCh. 15 - Prob. 39PCh. 15 - Prob. 40PCh. 15 - (II) A cord has two sections with linear densities...Ch. 15 - (III) A cord stretched to a tension FT consists of...Ch. 15 - (I) The two pulses shown in Fig. 1536 are moving...Ch. 15 - Prob. 44PCh. 15 - Prob. 45PCh. 15 - (I) If a violin string vibrates at 294 Hz as its...Ch. 15 - Prob. 47PCh. 15 - Prob. 48PCh. 15 - (II) The velocity of waves on a string is 96 m/s....Ch. 15 - Prob. 50PCh. 15 - Prob. 51PCh. 15 - Prob. 52PCh. 15 - Prob. 53PCh. 15 - (II) In Problem 52, Fig. 1537, the length of the...Ch. 15 - Prob. 55PCh. 15 - Prob. 56PCh. 15 - Prob. 57PCh. 15 - Prob. 58PCh. 15 - (II) Plot the two waves given in Problem 58 and...Ch. 15 - Prob. 60PCh. 15 - Prob. 61PCh. 15 - (II) Two oppositely directed traveling waves given...Ch. 15 - Prob. 63PCh. 15 - Prob. 64PCh. 15 - (I) An earthquake P wave traveling 8.0 km/s...Ch. 15 - Prob. 67PCh. 15 - (I) Water waves approach an underwater shelf where...Ch. 15 - Prob. 69PCh. 15 - Prob. 70PCh. 15 - Prob. 71GPCh. 15 - Prob. 72GPCh. 15 - (II) Seismic reflection prospecting is commonly...Ch. 15 - Prob. 74GPCh. 15 - A bug on the surface of a pond is observed to move...Ch. 15 - Prob. 76GPCh. 15 - Prob. 77GPCh. 15 - Prob. 78GPCh. 15 - Prob. 79GPCh. 15 - Prob. 80GPCh. 15 - A transverse wave pulse travels to the right along...Ch. 15 - (a) Show that if the tension in a stretched string...Ch. 15 - Prob. 83GPCh. 15 - Prob. 84GPCh. 15 - Two strings on a musical instrument are tuned to...Ch. 15 - The ripples in a certain groove 10.8 cm from the...Ch. 15 - Prob. 87GPCh. 15 - Prob. 88GPCh. 15 - Prob. 90GPCh. 15 - A highway overpass was observed to resonate as one...Ch. 15 - Prob. 92GPCh. 15 - Estimate the average power of a water wave when it...Ch. 15 - Prob. 94GPCh. 15 - Two wave pulses are traveling in opposite...Ch. 15 - Prob. 96GP
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- A string with a mass of 0.30 kg has a length of 4.00 m. If the tension in the string is 50.00 N, and a sinusoidal wave with an amplitude of 2.00 cm is induced on the string, what must the frequency be for an average power of 100.00 W?arrow_forwardTwo sinusoidal waves are moving through a medium in the positive x-direction, both having amplitudes of 7.00 cm, a wave number of k=3.00 m-1, an angular frequency of =2.50 s-1, and a period of 6.00 s, but one has a phase shift of an angle =12 rad. What is the height of the resultant wave at a time t=2.00 s and a position x=0.53 m?arrow_forwardTwo sinusoidal waves are moving through a medium in the same direction, both having amplitudes of 3.00 cm, a wavelength of 5.20 m, and a period of 6.52 s, but one has a phase shift of an angle . What is the phase shift if the resultant wave has an amplitude of 5.00 cm? [Hint: Use the trig identity sinu+sinv=2sin(u+v2)cos(uv2)arrow_forward
- If the tension in a string were increased by a factor of four, by what factor would the wave speed of a wave on the string increase?arrow_forwardTwo sinusoidal waves are moving through a medium in the positive x-direction, both having amplitudes of 6.00 cm, a wavelength of 4.3 m, and a period of 6.00 s, but one has a phase shift of an angle =0.50 rad. What is the height of the resultant wave at a time t=3.15 s and a position x=0.45 m ?arrow_forwardThe speed of a transverse wave on a string is 300.00 m/s, its wavelength is 0.50 m, and the amplitude is 20.00 cm. How much time is required for a particle on the string to move through a distance of 5.00 km?arrow_forward
- (V.) Suppose a transverse wave has function D=4.0(mm)sin(2.0(pi)x-(pi)t), and pass by a medium travel in the direction of positive x. Here is x in the meters and t is in seconds. Find out the following information: a) Wavelength b) Frequency of wave, c) Period of wave, d) wave speed, e) vibration frequency of particle in the meidum f) maximum speed of the particle and direction, g) maximum displacement of this particle, h) the maximum acceleration and direction of this particlearrow_forward(d)v = 2ghmax A wave traveling on a string has the following wave function, y(x, t) = Asin(kx + wt + p). At time t = 0, the point x 0 has a displacement of y(0,0) = 0, and is moving in the negative y -direction. Which of the following is true about the phase constant and the wave speed direction? (a) o = "/2, and the wave is moving in the negative x-direction. (b)y = "2, and the wave is moving in the positive x-direction. (c) o = n and the wave is moving in the negative x-direction. (d)g = n and the wave is moving in the positive x-direction. 11) %3D %3D %3D %3D Y (90) = Aswyz) =0 or %3D Ao las(4)arrow_forwardThe equation of a transverse traveling wave on a string is given by y =0.0025 sin [300π t +5πx],mDetermine its frequency, velocity, wavelength and periodarrow_forwardThe equation of a wave in the international system SI, which propagates by a string is given by the expression: y(x,t)=0,08cos[2π(2x-4t)] Determine the values of the elongation at a point located 2m from the origin at the instant t=5s.arrow_forwardy! 72 Two sinusoidal 120 Hz waves, of the same frequency and amplitude, are to be sent in the positive direction of an x axis that is directed along a cord un- der tension. The waves can be 10 20 sent in phase, or they can be phase-shifted. Figure 16-47 shows the amplitude y' of the re- sulting wave versus the distance of the shift (how far one wave is shifted from the other wave). The scale of the vertical axis is set by y', = 6.0 mm. If the equations for the two waves are of the form y(x, t) = ym sin(kx + wt), what are (a) ym, (b) k, (c) w, and (d) the correct choice of sign in front of w? Shift distance (cm) Figure 16-47 Problem 72. (uu)arrow_forwardA sinusoidal transverse wave traveling in the positive direction of an x axis has an amplitude of 3.8 cm, a wavelength of 28 cm, and a frequency of 380 Hz. If the wave equation is of the form y(x,t) = ym Sin(kx - wt), what are (a) Ym» (b) k, and (c) w, (d) the correct choice of sign in front of w?What are (e) the maximum speed of a point on the cord and (f) the speed of the wave? (a) Number i Units (b) Number i Units (c) Number i Units (d) (e) Number i Units (f) Number i Unitsarrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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