A long string is stretched and its left end is oscillated upward and downward. Two points on the stringare labeled A and B.Part APoints A and B are indicated on the string. Orient the two vectors, and B, to correctly represent the direction f the wave velocity at points A and B.Rotate the given vectors to indicate the direction of the wave velocity at the indicated points.► View Available Hint(s)No elements selectedJAUBSelect the elements from the list and add them to the canvas setting the appropriate attributes.B

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A long string is stretched and its left end is oscillated upward and downward. Two points on the string are labeled A and B Points A and B are indicated on the string. Orient the two vectors, and B. to correctly represent the direction of the wave velocity at points A and B. Rotate the given vectors to indicate the direction of the wave velocity at the indicated points. ▸ View Available Hint(s)

A long string is stretched and its left end is oscillated upward and downward. Two points on the string are labeled A and B Points A and B are indicated on the string. Orient the two vectors, and B. to correctly represent the direction of the wave velocity at points A and B. Rotate the given vectors to indicate the direction of the wave velocity at the indicated points. ▸ View Available Hint(s)

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter16: Waves

Section: Chapter Questions

Problem 49P: A pulse is defined as y(x,t)=e2.77( 2.00( x2.00m/s ( t ) ) 5.00m)2 . Use a spreadsheet, or other...

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Task 4 A support beam is subjected to vibrations along its length, emanating from two machines situated at opposite ends of the beam. The displacement caused by the vibrations can be modelled by the following equations,x1 = 3.75 sin ( 100nt + 27 mm x2 = 4.42 sin (100nt –)r 2n mm a. State the amplitude, phase, frequency and periodic time of each of these waves. b. When both machines are switched on, how many seconds does it take for each machine to produce its maximum displacement? c. At what time does each vibration first reach a displacement of - 2mm? d. Use the compound angle formulae to expand x1 and x2 into the form A sin 100nt ± B cos 100nt, where A and B are numbers to be found.
Units point, the resultant amplitude is determined by the principle of superposition. ) Whle down the purpose of the experiment. b) What is the independent variable? e) What is the dependent variable? How will Zodidi determine this? a) Define this principle. b) Each diagram in the table shows two pulses approaching each other in a uniform medium. Draw diagrams to show the pulses during superposition as well as after superposition. Indicate the amplitude and direction of propagation. Give the name of the phenomenon that occurs during superposition in each diagram. d) Why is it important to keep the tension in the slinky the same? e) Formulate a suitable conclusion for the experiment. Before superposition During superposition After superposition Phenomenon 5 cm 2. iv) 1. -1 -2 vii) vii) ix)
How many times a minute does a boat bob up and down on ocean waves that have a wavelength of 36.0 m and a propagation speed of 4.80 m/s? Additional Materials O Reading
Task 4 A support beam is subjected to vibrations along its length, emanating from two machines situated at opposite ends of the beam. The displacement caused by the vibrations can be modelled by the following equations,x1 3.75 sin ( 100nt + mm %3D X2 = 4.42 sin ( 100t –2) mm - a. State the amplitude, phase, frequency and periodic time of each of these waves. b. When both machines are switched on, how many seconds does it take for each machine to produce its maximum displacement? c. At what time does each vibration first reach a displacement of – 2mm? d. Use the compound angle formulae to expand x1 and x2 into the form A sin 100rt ± B cos 100nt, where A and B are numbers to be found.
A Moving to another question will save this response. estion 17 A vertical stick is dipped up and down in water at P. In two seconds, three wave crests are produced on the surface of the water. wave •P crests Which statement is true? Distance Y is the wavelength of the waves. O The frequency of the waves is 3Hz. O Distance X is the amplitude of the waves. Each circle represents a wavefront. O None of these a 77°F 2:
Problem Below is a diagram showing the position of various particles as a longitudinal wave passes through them. Although the diagram only shows one wave, there are a series of identical waves passing through these particles. The waves are moving to the RIGHT. 1. At the moment shown, which points are moving to the right? Choose all that apply. A B C D E F GHI X 2. At the moment shown, which points are moving to the left? Choose all that apply. ABCDEFGHI ✔✔✔✔0 3. At the moment shown, which points are at the amplitude? Choose all that apply. A B C D E F G H I 00-000-00 4. At the moment shown, which points are at equilibrium? Choose all that apply. A B C D E F G H I ✔000✔000✔ A Identify which of the particles are moving left, which are moving right, which are at rest, and which are moving the fastest. [To do this, I'd recommend going to this LONGITUDINAL WAVE website. It has a simple applet that allows you to observe the motion of individual particles as a longitudinal wave passes through…
A pulse is defined as y(x,t)=e2.77( 2.00( x2.00m/s ( t ) ) 5.00m)2 . Use a spreadsheet, or other computer program, to plot the pulse as the height of medium y as a function of position x. Plot the pulse at times t=0.00s and t=3.00s on the same graph. Where is the pulse centered at time t=0.00s ? Use your spreadsheet to check your answer.
011.3 m/S O10 m/s Clear selection Two identical sinusoidal waves travel in the same direction at the same speed with an amplitude A. The phase difference between the two waves is o = 107.7°. The amplitude of the resultant wave, Aresultant, is increased with respect to the amplitude of the individual waves, A, by: %3D 64% O. 164% 18% 82% A standing wave pattern consisting of six loops is observed on a 2.1 m long string fixed at both ends. The wavelength, 2, is equal to: O0.35 m 0.3 m
I Review I Constants The figure(Figure 1) shows the wave fronts of a circular wave. Part A What is the phase difference between points A and B? Express your answer in terms of constant 7. ΑΣφ A¢AB = rad %3D Submit Previous Answers Request Answer Figure 1 of 1 Part B What is the phase difference between points C and D? F Express your answer in terms of constant T. C ? E• A¢cD rad %3D Submit Previous Answers Request Answer
On a guitar, the lowest-toned string is usually strung to the E note, which produces sound at 82.4 Hz. The diameter of E guitar strings is typically 0.0500 in, and the scale length between the bridge and nut (the effective length of the string) is 25.5 in. Various musical acts tune their E strings down to produce a "heavier" sound or to better fit the vocal range of the šinger. As a guitarist you want to detune the E on your guitar to A (55.0 Hz). If you were to maintain the same tension in the string as with the E string, what diameter daet of string would you need to purchase to produce the desired note? Assume all strings available to you are made of the same material. inches daet = Enter numeric value Unfortunately, none of the strings in your collection have such a large diameter. In fact, the largest diameter you possess is 0.06245 in. If the tension on your existing string is denoted Tpefore, by what fraction will you need to detune (that is, lower the tension) of this string to…
Constants I Periodic Consider a sine wave traveling down the stretched two- part cord of the figure.(Figure 1) Determine a formula for the ratio of the wavelengths in the two sections. (The frequency is the same in both sections.) Express your answer in terms of the variables µH and uL. ? Ан Submit Request Answer Figure 1 of 1 Part C Light section Heavy section Is the wavelength larger in the heavier cord or the lighter? (a) in the heavier cord Transmitted in the lighter cord pulse Submit Request Answer Reflected pulse (b) Provide Feedback II
transcript A spherical wave with a wavelength of 4.0 m is emitted from the origin. At one instant of time, the phase at r = 8.0 m is π rad. At that instant, what is the phase at r = 6.5 m? Express your answer in radians to two significant figures. View Available Hint(s) e Hint 1. How to approach the problem Itranscript Recall how the phase difference between two points on a wave depends on their separation and the wavelength. Submit ΠΙ ΑΣΦ Previous Answers Request Answer ? rad