- #1

LBRRIT2390

- 29

- 0

## Homework Statement

A gust of wind hits a flagpole and starts it oscillating. After 10 s, the amplitude of its motion has decreased to 25% of its initial value.

What is the value of the time constant?

## Homework Equations

x

_{max}(t) = A

*e*

^{[tex]-t/\tau[/tex]}

## The Attempt at a Solution

I know that the answer is 7.2s, but how do I find it?

How do I manipulate the above equation?