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There is no obvious reason why there should be any water in the pipe. Furthermore, there are no units associated with the width of the pipe, so its volume cannot be calculated.
The cross-sectional area of the pipe is 32 * π = 28.2743339 in2.The length of the pipe in inches is 600 * 12 = 7200 in.Multiplying this by the length of the pipe gives us the volume:7200 in * 28.2743339 in2 = 203575.204 in3There are 231 cubic inches in every gallon, so 203575.204/231 = 881.277939.The water capacity of a pipe 600 ft long and 6 inches in diameter is:881.28 gallons
If I remember correctly, the pipe size is the inside diameter, so it would depend on the thickness of the wall, as to what size it would fit into.
How about this plan: We'll explain how to solve the problem,and then you go ahead and get the answer on your own.The pipe is a cylinder.The volume of the cylinder is: (pi) times (radius of the pipe)2 x (length of the pipe)(Remember that the radius is 1/2 of the diameter.)With that formula, you can find the volume of any length of pipe. You know thediameter in inches, so the volume will be in cubic inches.One gallon is exactly 231 cubic inches. Find what the length of the pipe has to bein order to have a volume of 231 cubic inches.Go to it ! You can do it !
In one hour first pipe fills 1/7th of pool, other pipe fills one-half, so together in one hour they fill 1/7 + 1/2 ie 9/14 so would take 14/9 hours (93 and a third minutes) to fill the pool. ie 1 hr 33 min 20 sec