Water is flowing into a vertical cylindrical tank at the rate of 24 cu. ft. per minute. If the radius of the tank is 4 feet, how fast is the surface rising?

Question

Thank You! :)

Answer 1

volume=PI*r^2*h
dV/dt=pi(2hr dr/dt+r^2 dh/dt)
wouldn't dr/dt=0?

Answer 2

Solution pls