document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1020919>Question 1020919</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A cylinder pipe has inner diameter of 7cm and water flows through it at the rate of 192.5 litres per minute. Find the speed of water in km/hour </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #636771 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=636771\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A cylinder pipe has inner diameter of 7cm and water flows through it at the rate of 192.5 litres per minute. Find the speed of water in km/hour<BR>\n" );
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document.write( "192.5 liter/min = 192500 cm^3/minute<BR>\n" );
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document.write( "Area = pi*r^2 = 12.25pi cm^2<BR>\n" );
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document.write( "192500/(12.25*pi) = 770000/(49pi) = 110000/(7pi) cm/minute<BR>\n" );
document.write( "= 110/(7pi) km/minute<BR>\n" );
document.write( "= 6600/(7pi) km/hr<BR>\n" );
document.write( "=~ 300.12 km/hr\r<BR>\n" );
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