# Traveling wave from known amplitude, frequency and wavelength.

A wave traveling on a wire has a frequency f= .8 cy/sec, an amplitude Y= .18 m and a wavelength L= 4.0 m.

At a time t= .25 sec, find the x coordinates of all the crests.

https://brainmass.com/physics/periodic-motion/traveling-wave-known-amplitude-frequency-wavelength-20384

#### Solution Preview

Solution:

Physics statements:

A. The general equation y(x,t) for a traveling wave with angular frequency w, wave number k, and amplitude Y is:

(1) y= Y sin (k x - w t)

B. Recall that k= 2 Pi / L and w= 2 Pi f

C. ...

#### Solution Summary

A traveling wave from known amplitude, frequency and wavelengths are given.

$2.19