lecture20

lecture20 - 1 Phys 2101 Gabriela Gonzlez 2 A wave travels,...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 1 Phys 2101 Gabriela Gonzlez 2 A wave travels, but the particles producing the wave dont! Particles oscillate about a fixed mean position. 2 3 Assume a sinusoidal wave travels in the x-direction. At each point in the x-axis, the transverse motion is in the y-direction, described by a function of time: Wavelength: =2 /k Period: T=2 / Frequency: f=1/T= /2 Velocity: v= /k= /T= f 4 The equation of a transverse wave traveling along a very long string is given by y = 5.8 sin(0.015 x + 3.5 t ), where x and y are expressed in centimeters and t is in seconds. Determine : the amplitude, the wavelength the frequency the speed the direction of propagation of the wave, and the maximum transverse speed of a particle in the string. What is the transverse displacement at x = 3.5 cm when t = 0.26 s? 3 5 Write the equation for a wave traveling in the negative direction along the x axis and having an amplitude of 0.021 m, a frequency of 525 Hz, and a speed of 312 m/s. A sinusoidal wave of frequency 475 Hz has a velocity of 250 m/s. a) What is the phase difference between two displacements at a certain point at times 1.00 ms apart? b) How far apart are two points that differ in phase by /3 rad? y m = 0.021 m = 2 f = 3,300 rad/s k = / v = 10.6 rad/m y ( x , t ) = y m sin( t + kx ) = 0.021 m sin(3,300 rad t /s +10.6 rad x /m) = k...
View Full Document

This note was uploaded on 12/01/2011 for the course PHYS 2101 taught by Professor Grouptest during the Fall '07 term at LSU.

Page1 / 8

lecture20 - 1 Phys 2101 Gabriela Gonzlez 2 A wave travels,...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online