Homework Answers
Ans: D
Amplitude is defined as maximum displacement from the equilibrium position.
So, from the given diagram: D represents Amplitude of the wave.
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This graph shows the position of an element of air as a function of time as...
1. When a sound wave passes through air, and we hear it, the air pressure where we are varies with time. the excess pressure above (and below) atmospheric pressure in a sound wave is given by the...
1. When a sound wave passes through air, and we hear it, the air pressure where we are varies with time. the excess pressure above (and below) atmospheric pressure in a sound wave is given by the graph below: p(t) t in seconds -1 (a) Show that the fundamental (n ) is 15 times smaller in amplitude compared to the second harmonic (n-2). Hint: Expand p() in a Fourier series to show this. It would be interesting to note that...
1. The left figure is a history graph that shows the displacement D of a traveling wave at a given position as a function of time. The right figure is a snapshot graph that shows the displacement...
1. The left figure is a history graph that shows the displacement D of a traveling wave at a given position as a function of time. The right figure is a snapshot graph that shows the displacement of the same wave as a function of position. D (cm) D (cm) -1 -2 2/3 4 67 8 -2 (a) Determine the period T, the frequency f, and the angular frequency o for this wave. (b) Determine the wavelength 2, wavenumber K,...
A 3385-Hz sound wave travels through air at 352. Determine the wavelength of the sound wave...
A 3385-Hz sound wave travels through air at 352. Determine the wavelength of the sound wave (in centimeters) Answer graph is a graph which displays the amplitude and position of a wave at a certain point in A Choose.. Choose.. e of MacBook Air FS F8 19 F10
Sound is often characterized by the decibel scale. 60 decibels is normal conversation and that corresponds...
Sound is often characterized by the decibel scale. 60 decibels is normal conversation and that corresponds to a sound pressure level of about 0.02 Pa. Consider the A-440 pure tone. This is a sine wave at 440 Hz with an amplitude of 0.02 Pa. If this wave travels through air at standard conditions, determine the wavelength of the wave, and variation of pressure, temperature, and density with time as one wave passes through a given receiving location. 4.
35 I) The nearby graph shows position in cmr(t) vs. time in s. From the graph,...
35 I) The nearby graph shows position in cmr(t) vs. time in s. From the graph, estimate the (a) equilibrium position (b) amplitude (c) period of the oscillatory motion. For this system, determine the (d) cycle frequency (e) angular frequency (f) Write down an expression for this trajec- tory in terms of a sine function. 30 25 20 15 10 20 21 22 23 24 25 26 27 28 29 30 31
Problem 2 The graph below shows the position (x) as a function of time (t) for...
Problem 2 The graph below shows the position (x) as a function of time (t) for a particle moving in one dimension x (m) 6 5 4. 3 2 t(s) 3 4 5 6 7 8 9 10 11 12 (a) During which interval(s) of time is the particle at rest? (b) During which interval(s) of time is the particle's velocity (Vx) negative? (e) During which interval(s) of time is the particle decelerating? (d) Find the particle's velocity at t...
1. The graph shown is a time-lapse representation of the displacement D of air molecules with...
1. The graph shown is a time-lapse representation of the displacement D of air molecules with respect to their equilibriun position for a longitudinal standing sound wave inside a cylindrical tube at seven different instants in time. (a) Is the tube open-open, apen-closed, closed-open, or closed-closed? What harmonic is represented? Explain your reasoning. (b) Reproduce the drawing in your notebook and clearly identify the nodes for displacement, pres- sure, and density. Explain your answers.
In-Class Assignment 2. The figure shows a position-versus-time graph for an oscillating mass m = 0.5...
In-Class Assignment 2. The figure shows a position-versus-time graph for an oscillating mass m = 0.5 kg. x (cm) 20 10 0 -10 -20 I(s) 4 a. Determine the period of the motion. b. Determnine the angular frecquemcy of the motion c. Determine the amplitude of the motion. d. Determine the phase constant of the motion. e. Determine the maximum speed of the mass. f. Determine the maximum acceleration of the mass. g. Determine the total energy of the system....
8. (5pts) The wave function (Position vs Distance) is shown below. Sketch position vs. time for...
8. (5pts) The wave function (Position vs Distance) is shown below. Sketch position vs. time for point b and g (like a mass on a spring), labeling the period and the amplitude.
The graph in Figure 1 shows the displacement versus position for the wave at t =...
The graph in Figure 1 shows the displacement versus position for
the wave at t = 1:0 s. The graph in Figure 2 shows the displacement
versus time for the wave at x = 1:0 m. Determine the displacement
equation D(x,t) and the velocity of the wave. SHOW WORK
Plnti Plot: Figure 1: D(x) (m) vrs. r (m) Figure 2: D(t) (m) vrs. t (s) igure I: D(c) (m) vrs. m
1. When a sound wave passes through air, and we hear it, the air pressure where we are varies with time. the excess pressure above (and below) atmospheric pressure in a sound wave is given by the graph below: p(t) t in seconds -1 (a) Show that the fundamental (n ) is 15 times smaller in amplitude compared to the second harmonic (n-2). Hint: Expand p() in a Fourier series to show this. It would be interesting to note that...
1. The left figure is a history graph that shows the displacement D of a traveling wave at a given position as a function of time. The right figure is a snapshot graph that shows the displacement of the same wave as a function of position. D (cm) D (cm) -1 -2 2/3 4 67 8 -2 (a) Determine the period T, the frequency f, and the angular frequency o for this wave. (b) Determine the wavelength 2, wavenumber K,...
A 3385-Hz sound wave travels through air at 352. Determine the wavelength of the sound wave (in centimeters) Answer graph is a graph which displays the amplitude and position of a wave at a certain point in A Choose.. Choose.. e of MacBook Air FS F8 19 F10
Sound is often characterized by the decibel scale. 60 decibels is normal conversation and that corresponds to a sound pressure level of about 0.02 Pa. Consider the A-440 pure tone. This is a sine wave at 440 Hz with an amplitude of 0.02 Pa. If this wave travels through air at standard conditions, determine the wavelength of the wave, and variation of pressure, temperature, and density with time as one wave passes through a given receiving location. 4.
35 I) The nearby graph shows position in cmr(t) vs. time in s. From the graph, estimate the (a) equilibrium position (b) amplitude (c) period of the oscillatory motion. For this system, determine the (d) cycle frequency (e) angular frequency (f) Write down an expression for this trajec- tory in terms of a sine function. 30 25 20 15 10 20 21 22 23 24 25 26 27 28 29 30 31
Problem 2 The graph below shows the position (x) as a function of time (t) for a particle moving in one dimension x (m) 6 5 4. 3 2 t(s) 3 4 5 6 7 8 9 10 11 12 (a) During which interval(s) of time is the particle at rest? (b) During which interval(s) of time is the particle's velocity (Vx) negative? (e) During which interval(s) of time is the particle decelerating? (d) Find the particle's velocity at t...
1. The graph shown is a time-lapse representation of the displacement D of air molecules with respect to their equilibriun position for a longitudinal standing sound wave inside a cylindrical tube at seven different instants in time. (a) Is the tube open-open, apen-closed, closed-open, or closed-closed? What harmonic is represented? Explain your reasoning. (b) Reproduce the drawing in your notebook and clearly identify the nodes for displacement, pres- sure, and density. Explain your answers.
In-Class Assignment 2. The figure shows a position-versus-time graph for an oscillating mass m = 0.5 kg. x (cm) 20 10 0 -10 -20 I(s) 4 a. Determine the period of the motion. b. Determnine the angular frecquemcy of the motion c. Determine the amplitude of the motion. d. Determine the phase constant of the motion. e. Determine the maximum speed of the mass. f. Determine the maximum acceleration of the mass. g. Determine the total energy of the system....
The graph in Figure 1 shows the displacement versus position for
the wave at t = 1:0 s. The graph in Figure 2 shows the displacement
versus time for the wave at x = 1:0 m. Determine the displacement
equation D(x,t) and the velocity of the wave. SHOW WORK
Plnti Plot: Figure 1: D(x) (m) vrs. r (m) Figure 2: D(t) (m) vrs. t (s) igure I: D(c) (m) vrs. m
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