1-4 Sinusoidal traveling waves
Wavelength and period
Another way for representing a wave, is to choose a position x and then plot the displacement as a function of time at that position.
T is time needed for an element at position x to make one oscillation.
is the distance over which the shape of the wave is repeated.
One way to represent a wave is to plot it at certain time. This is like taking a snapshot of the wave.