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?
xmax(t) = Ae[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?