- #1

- 7

- 0

## Homework Statement

If y(x, t) = (6.7 mm) sin(kx + (705 rad/s)t + ϕ) describes a wave traveling along a string, how much time does any given point on the string take to move between displacements y = -2.0 mm and y = +2.0 mm?

## Homework Equations

I'm not sure where to start.

## The Attempt at a Solution

That's the problem.