A pulse travelling on a string is represented by the function
y=a3/((x-vt)2+a2),
where a = 5 mm and v = 20 cm/*. Sketch the shape of the string at t = 0, 1s and 2s. Take x = 0 in the middle of the string.
The graph between y and x can be plotted by taking different values of x. (left as exercise for the student)
