Posted by MARTHA on .
The Victoria Falls is the tallest waterfall on Earth measuring 108 meters at its highest point. How long will it take for a single drop of water to fall over its edge into the chasm below?

PHYSICS 
drwls,
Solve: 108 m = (g/2)*t^2
t = sqrt(2*108/g)
g is the acceleration of gravity. You may need to look up its value.