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## Homework Statement

One end of a long horizontal string is attached to a wall, and the other end is passed over a pulley and attached to a mass M. The total mass of the string is M/100. A Gaussian wave pulse takes 0.12 s to travel from one end of the string to the other.

Write down the equation for the displacement of

the string as a function of position and time.

## Homework Equations

Y = Aexp(-(x-vt)^2/a) - equation of Gaussian waveform

## The Attempt at a Solution

Hi I am actually totally lost on how to find the parameters A and a. Find v is pretty easy using the tension and mass/length and speed. I have no clue where to start on finding A and a.

Thanks!