When constructing a dam, the bottom of the dam is thicker than the top of the dam. The necessity of having a thick bottom is a result of   the volume of the water behind the dam.   the altitude of the body of water behind the dam.   the depth of the water behind the dam.   the community surrounding the dam.   No answer

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Pressurized pipe flow

A 15-kilometer-long pipe with a pipe diameter of one meter transports water at a speed of one meter per second. The pipe has a friction coefficient of 0.005. Calculate the frictional head loss?