physics
posted by Aidan on .
It takes a plane flying at 150 km/h, 3.0 minutes to fly around a cloud at an altitude of 3000m. What is the diameter of the cloud

The altitude does not matter.
Circumference = pi*(diameter) = (speed)*(time)
D = V*t/pi is the cloud diameter
t = 1/20 = 0.05 hours
Solve for D