Question 1136521
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The water flowing through the pipe in 1 second is a cylinder of diameter 7cm and height of 4m = 400cm.  The rate of flow in cm^3/sec is<br>
{{{(7/2)^2(pi)(400) = 4900(pi)}}}<br>
Since 1cm^3 = 1ml, the flow rate in l/min is<br>
{{{(4900(pi))*(1/1000)*(60/1) = 294(pi)}}}