A man drops a stone into a water well on

his farm. He hears the sound of the splash
3.55 s later.
How deep is the well? The acceleration due
to gravity is 9.8 m/s
2
and the speed of sound
in air is 324 m/s.
Answer in units of m
Vo= something
V= 324 m/s??
a= 9.8 m/s^2
t= 3.55 s
x= ?