document.write( "Question 984617: A pipe has a cross-sectional area of 50 cm2. Water is flowing through the pipe at a
\n" ); document.write( "speed of 25 cm / sec. The pipe is used to fill up a cuboidal tank, whose inner
\n" ); document.write( "dimensions are 1m×0.8m×0.2m. How many minutes will it take for the tank to be
\n" ); document.write( "completely full
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Algebra.Com's Answer #605396 by ikleyn(52756)\"\" \"About 
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\n" ); document.write( "The water flow-rate through the pipe is the product of the pipe's cross-sectional area and the velocity of the water flow:\r
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\n" ); document.write( "\n" ); document.write( "flow-rate = product of the pipe's cross-section area and the velocity of the water flow = 50 \"cm%5E2\" * 25 \"cm%2Fs\" = 1250 \"cm%5E3%2Fs\". \r
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\n" ); document.write( "\n" ); document.write( "Tank volume = 1 m * 0.8 m * 0.2 m = 100 cm* 80 cm * 20 cm = 160000 \"cm%5E3\". \r
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\n" ); document.write( "\n" ); document.write( "The time required to fill the tank = \"tank_volume%2Fflow-rate\" = \"160000%2F1250\" = 128 sec.\r
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