Sinusoidal Definition and 232 Threads

Does the frequency of a sinusoidal voltage or current attribute anything? Maybe more power? All I know so far is that you can filter certain frequencies out with filter circuits.

Homework Statement Consider the sinusoidal wave in the figure, with the wave function below. At a certain instant, let point A be at the origin and point B be the first point along the x-axis where the wave is 60.0° out of phase with point A. What is the coordinate of point B? y =...

[SOLVED] mechanical waves Homework Statement A sinusoidal transverse wave is traveling along a string in the negative direction of an x-axis. The figure shows a plot of the displacement as a function of position at time t=0; the y-intercept is 4.0m. The string tension is 6.8N, and its linear...

[SOLVED] sinusoidal wave (not sure what to do for the last part)and have test tommoro Homework Statement A sinusoidal wave representing transverse oscillations on a string has the wave function y(x,t)= (0.40m)cos[(10.0\frac{rad} {s})t- 5.00\frac{rad} {m}x] The linear mass density of the...

I have a horrible math teacher this year: she merely shows the steps to solving a problem and doesn't help us understand why and how it works. Homework Statement I need to find the equation for the height of a ferris wheel as it spins. It has a radius of 30m, and a center 18m above ground. It...

Homework Statement Sorry I can't provide a visual for this problem, but I'll try my best to explain it Given: picture of sinusoidal curve with 5 points from left to right, H C D B A H is on downward slope C is a min D is a max B is on upward slope A is on upward slope to the right of B...

Homework Statement For this assignment, its on traveling waves. If you'll have a look at it, you'll see I've been unable to solve questions questions 20-23 and question 33. Can you please help me solve them? Also can you please verify if I've done questions 25- 31 correctly? Homework...

Homework Statement What would the geometric explanation of exp(-i*x) be? Homework Equations Exp(-i*x), i being (-1)^1/2 The Attempt at a Solution I'm pretty sure this is just a circle, created clockwise? Just want to check.

Two sinusoidal waves of the same frequency are sent in the same direction along a taut string. One wave has an amplitude of 5.0 mm, the other 8.0 mm. (a) what phase difference between the two waves results in the smallest amplitude of the resultant wave? (b) what is that smallest amplitude? (c)...

pls help me on this problem, thanks a lot. A sinusoidal wave is described by y=(0.30 m)sin(0.20x-40t). Determine the wave speed.

Homework Statement Hi, Could you please help me decide on these answers? The question is " Are the following statements Sinusoidal? And are they Periodic? I have produced the waveforms in MathCad The limits are 0 - 4Pi 1.f(x)= sinx + 2sin(x-(Pi/6)) 2.f(x)= sinx +sin2x 3.f(x)= sinx +...

Homework Statement I am reading the book Wiley Signal And Systems-Simon Haykin and at the page 34 i read the followings Consider the complex exponential e^j*theta. Using Euler's identity we may expand this term as e^j*theta=cos(theta)+jsin(theta) This result indicates that we may express the...

Homework Statement A sinusodial wave is moving along a string of uniform density. If you double the frequency of the wave, a)the speed of the wave doubles b)the speed of the wave remains about the same Homework Equations v=lambda*f The Attempt at a Solution I chose a) using the...

This is my first posting ever :smile: ! I hope someone can point me in the right direction. Please also note, that I'm on a Music Technology course, but there are quite a lot of physics/maths! Presenting Problem The air pressure is found to be normal atmospheric pressure 2 metres from a...

Two sinusoidal waves travel in the same direction and have the same frequency. Thier amplitudes are Y1 and Y2. The smallest possible amplitude of the resultant wave is: a) Y1+Y2 and occurs if they are 180 degrees out of phase b) [Y1-Y2] and occurs if they are 180 degrees out of phase c) Y1 +...

Homework Statement Drive one end of the string with sinusoidal oscillator of frequency 100hz. What velocity is required to setup a standing wave with 5 segments? Homework Equations I know for standing wave that fn = nV/2L and you can isolate out velocity variable. The Attempt at a...

Find the two integrals: \int_0^{\infty}\frac{e^{-\alpha x^2}}{x^2+1}\sin(\alpha x) \, dx \int_0^{\infty}e^{-\beta^2t}\cos(\beta x) \, d\beta Any hint?

Can someone tell me why Asin(ax)+Bcos(ax) always gives another sinusoidal wave?

A sinusoidal wave of frequency 500 Hz has a speed of 350 m/s. (a) How far apart are two points that differ in phase by Pi/3 rad? I was thinking that I need to use the equation y= Asin(kx-wt+pi/3) I found the wavelength=0.70m used this to find k=8.98 solved for w by converting the...

Q: A two-dimensional water wave spreads in circular wave fonts. Show that the aplitude A at a distance r from the initial disturbance is proportional to \frac{1}{\sqrt{r}}. (Hint: Consider the energy carried by one outward moving ripple.) Comments: Let's consider the energy carried by one...

i was wondering how you would find the amplitude, vertical translation, horizontal translation and the sinusoidal axis either from just an equation, like 1/2(y-7)=cos3(x-60), or from the graph if you are given one.

Algebraically calculate the Rise Time value for the sinusoidal signal at an arbitrary frequency f_0 (expressed in Hz). Assume that the signal has zero average, that is V_{min}\,=\,-V_{max} Express the Rise Time in units of the period T\,=\,\frac{1}{f_0}. MY WORK SO FAR...

A mass is supported by a spring so that it rests 0.5 m above a table top. The mass is pulled down 0.4 m and released at time t=0. This creates a periodic up-and-down motion, called simple harmonic motion. It takes 1.2 s for the mass to return to the low position each time. Could someone...

Does increasing the Sinusoidal Electron Frequency and lowering of its Sinusoidal Electron Amplitude cause less resistance in a flow of Electrons in/on a conductive material? This is only for DC current and not AC. Is there any data which supports this?:smile:

Forgive me for my ignorance on these matters. I know almost nothing about math or physics. My only knowledge on such things is what I have been able to grain from Popular Science/Math books. I have never even graduated from college. But please allow me to post a question. Although I want...

At a certain instant, a point A is at the origin and a point B is the first point on the x-axis that is 60° out of phase. What is the coordinate of B? The equation of the wave is given as: y = (15.0 cm)cos(0.157x-50.3t)

Hi, i have a solution to the following problem but I'm not sure if it's right or not. If you shake one end of a taut rope steadily three times each second, what would be the period of the sinusoidal wave set up in the rope? Me, I thought that since I'm shaking the rope three times a second...

A simple question in Electrodynamics is finding the scattering field of a dielectric sphere in constant electric field. I'm interested in a simple generalization of the above question: dielectric sphere in sinusoidal electric field. This problem is much more usefull and even realistic. And...

I have a question that needs solving please. I have a stand that has a forced oscillator on it. The oscillator can force the stand to move at different harmonics. On this stand is a rig that a spring is clamped rigidly onto. ( I will provide a simplified drawing.). The movement is detected by an...

Hi, I've done most of my homework, but can't figure this one out. If anyone could explain what to do, I would really appreciate it. *i got 78 for an answer, but its wrong* It is exactly noon. The hour hand of a clock is 8cm long. If the top of the clock is 50 cm from the ceiling and the...

probably easy question a sinusoidal wave is propagating along a string in the +x direction. 10 waves pass by a point every 10 microseconds. the wave exhibits the following characteristics: a) at t=0 and x=0 , the wave propagation speed is 30 m/s, and the Oscillation speed is 2.5 mm/s in...

hello there, how do i solve over [0,2pi) for sin(2x)+sin(x)=0 thanks for what help you can give RansidMeat