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A long taut spring is started at a time *t=0* with a pulse moving
in the +x direction in the shape given by the function *f(x)* with
(The units of *x* and *f* are in __centimeters__.)

- Draw a labeled graph showing the shape of the string at
*t*= 0. - If the mass density of the string is 50 grams/meter and it is under
a tension of 5 Newtons, draw a labeled graph that shows the shape and position
of the string at a time
*t*= 0.001 s. - Write the solution of the wave equation that explicitly gives the displacement
of any piece of the string at any time.
- What is the speed of a piece of string that is moving up after the pulse has reached it but before it has risen to its maximum displacement? What is its speed while it is returning to its original position after the pulse's peak has passed it?

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Page last modified October 30, 2002: O22