Question

help with water draining question for differential equation!!

Answer 1

anyone know how they got \[-\pi (1/24)^2\] on the other side?

Answer 2

it's the area of the hole

Answer 3

i want to know how they came up with that... is that given?

Answer 4

The hole is 1 inch, right? That's 1/12 of a foot...

Answer 5

it's 1 inch or 1/12 ft

Answer 6

divide by 2 to get radius

Answer 7

diameter = 1/12, radius = 1/24

Answer 8

it's like an echo chamber in here :-)

Answer 9

oh i see!! wow thanks! gawd i hate this kind of books! they dont explain all the way...

Answer 10

i have another question why is there pi on both sides?

Answer 11

and also where did 1/72 dt come from? what happend to the y in side the sqrt root?