A wave on a string is described by D (x, t) = (3.0cm) x sin [2π (x/ (8.4m) +t/ (0.20s) +1)], where x is in m and t is in s. For help with math skills, you may want to review: Substituting Numbers into Mathematical Expressions For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Earthquake waves. What is the wave speed? What is the frequency? What is the wave number?

A wave on a string is described by D (x, t) = (3.0cm) x sin [2π (x/ (8.4m) +t/ (0.20s) +1)], where x is in m and t is in s. For help with math skills, you may want to review: Substituting Numbers into Mathematical Expressions For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Earthquake waves. What is the wave speed? What is the frequency? What is the wave number?

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter6: Waves And Sound

Section: Chapter Questions

Problem 1P: Two children stretch a jump rope between them and send wave pulses back and forth on it. The rope is...

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Two children stretch a jump rope between them and send wave pulses back and forth on it. The rope is 3 m long, its mass is 0.5 kg, and the force excited on it by the children is 40 N. (a) What is the linear mass density of the rope? (b) What is the speed of the waves on the rope?
IXODF The diagram is a "snapshot" of a wave. The frequency of the wave is 110 Hz. Each division in the graph is 1 cm. Find the indicated quantities. AA x (cm) A D. 5.494 cm 7.302 cm E. 4.221_cm 5.499 cm 5.006_cm 6.279 cm F. A. 14.19 cm 18.55 cm 17.39 cm B. 12.48 cm C. 12.63 cm F. 10.1 cm 1--1 7. speed A. 1389 cm/s D. B. 2430 cm/s E. 1710 cm/s 1787 cm/s 2503_cm/s C. 2170 cm/s F. If the linear mass density of a cord is 0.042 kg/m, then what is the mass of 245 m of the cord? 8. A. 9.855 kg D. 9.433 kg B. 9.914 kg E. 10.07 kg C. 10.29 kg F. 10.80 kg 1-1 5. amplitude A. B. C. 1--1 6. wavelength ook Pro DEE D. E. IVVVS
7:23 O w . 7,00 Homewo.arch2021 Practice Question 1. Write an expression for a transverse harmonic wave that has a wavelength of 2.6 m and propagates to the right with a speed of 14.3 m/s. The amplitude of the wave is 0.11 m, and its displacement at t =0 and x= 0 is 0.11 m. 2. Consider a wave on a string with constant tension. If the frequency of the wave is doubled, by what multiplicative factor does (a) the speed and (b) the wavelength change? 3. Three waves A, B and C propagate on strings with equal tensions and equal mass per length. Rank the waves in order of increasing Frequency i) ii) wavelength speed Indicate ties where appropriate. 4. A bother and a sister try to communicate with a string tied between two tin cans as shown below. If the string is 9.5 m long, has a mass of 32g, and it is pulled taut with a tension of 8.6 N, how much time does it take for a wave to travel from one end of the string to the other? 9,5 m
1. A wave is modeled with the function y(x,t) = (0m) cos((0.95rad/m)x − (0.65rad/s)t + π/3). Find the wave speed. Round your answer to 2 decimal places. 2. A wave is modeled with the function y(x,t) = (0.24m) cos((0.36rad/m)x − (0.71rad/s)t + π/3). Find the wavelength. Round your answer to 2 decimal places. 3. A wave is modeled with the function y(x,t) = (0.72m) cos((0.03rad/m)x − (0.58rad/s)t + π/3). Find the period. Round your answer to 2 decimal places.
Questions 1-6: Consider a wave on a string that can be described by the following equation: y (x, t) = 2.5 cm Sin(2.0 m-1x + 1800 s-1- 4.7) %3D 1. This is describes a... [circle one] ( sanding wave / wave traveling toward +x/wave traveling towards -x) 2. Amplitude = 3. Wavelength = 4. Frequency = 5. Wave speed% = 6. Speed of the medium att = 2.0 ms = X-0.25m
Vice | S Suppose tnat a public address sy X + us.com 9 Student Center A Salt BBLearn 6 My NAU P * Sodexo AcademicWorks, Inc. My Bb Learn Tab 1... w Scholarships :) PRINTER VERSION 1 BACK NEXT Chapter 16, Problem 056 Suppose that a public address system emits sound uniformly in all directions and that there are no reflections. The intensity at a location 26 m away from the sound source is 3.0 x 10-4 W/m2. What is the intensity at a spot that is 89 m away? Number Units the tolerance is +/-5% SHOW HINT LINK TO TEXT By accessing this Question Assistance, you will learn while you earn points based on the Point Potential Policy set by your instructor. Question Attempts: 0 of 6 used SAVE FOR LATER SUBMIT ANSWER Earn Maximum Points available only if you answer this question correctly in four attempts or less. 8:04 PM 21 4/29/2020 19
Wave Equation: y(x.t)%3DA sin (k x Try this: The equation for a wave is given by y (x, t) = 2.0 sin (3.0 x-4.0 t+ m where x is in meters (m) and t is in seconds (s). Find: a) amplitude (in meters - m) pent EGO nstanco sad Monslove b) frequency (Hertz - Hz) beo be c) wavelength (m) d) speed (m/s)e eedo yem. LEGO e) initial height (at x = 1 m) MOTOM OM
Two wave fune are given by y, (x)-(3m)sin (x+ ax) and y(x)-(3m)sàn ke+ ar + meet at the same space in tme The resultant w ave the amplitude of.. A6.0 m O B.0m OC 1.0 m O D.7.0 m OE5.54 m
Consider a wave described by the wave function y (x,f) = 0.50m sin (m 9n s-t+ 4 ), find the frequency of wave? 10 x + a. 1.2 Hz O b. 1.35 Hz O . 0.89 Hz O d. 1.125 Hz
Item 9 Learning Goal: To learn the properties of logarithms and how to manipulate them when solving sound problems. The intensity of sound is the power of the sound waves divided by the area on which they are incident. Intensity is measured in watts per square meter, or W/m². The human ear can detect a remarkable range of sound intensities. The quietest sound that we can hear has an intensity of 10-12 W/m², and we begin to feel pain when the intensity reaches 1 W/m². Since the intensities matter people in everyday life cover a range of 12 orders of magnitude, intensities are usually converted to a logarithmic scale called the sound intensity level 3, which is measured in decibels (dB). For a given sound intensity I, B is found from the equation ß = (10 dB) log (1), where Io = 1.0 × 10-¹2 W/m². ▼ The logarithm of x, written log(x), tells you the power to which you would raise 10 to get æ. So, if y = log(x), then x = 10³. It is easy to take the logarithm of a number such as 10², because…
Item 9 Learning Goal: To learn the properties of logarithms and how to manipulate them when solving sound problems. The intensity of sound is the power of the sound waves divided by the area on which they are incident. Intensity is measured in watts per square meter, or W/m². The human ear can detect a remarkable range of sound intensities. The quietest sound that we can hear has an intensity of 10-¹2 W/m², and we begin to feel pain when the intensity reaches 1 W/m². Since the intensities that matter to people in everyday life cover a range of 12 orders of magnitude, intensities are usually converted to a logarithmic scale called the sound intensity level 3, which is measured in decibels (dB). For a given sound intensity I, B is found from the equation ß = (10 dB) log (1). where Io = 1.0 × 10-¹2 W/m². Part A What is the value of log(1,000,000)? Express your answer as an integer. ► View Available Hint(s) The logarithm of x, written log(x), tells you the power to which you would raise 10…
Problem 13. Standing Waves on a String: A standing wave is oscillating at 650 Hz on a string, as shown in the figure. What is the wave speed? 90 cm スIN スN