Think "Right Circular Cyllinder".
Water is flowing down a cylindrical pipe of radius r. Write a formula for the volume, V, of water that emerges from the end of the pipe in one second if the water is flowing at each of the following rates. (Use r for r and k for k as necessary.)
(a) 6 cm/sec
V =
(b) k cm/sec
V =
need some help with this problem...