document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=115260>Question 115260</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 6. Construction<BR>\n" );
document.write( "The building ciode in a certain county requires that public buildings be able to withstand a wind pressure of 25 lb/ft^2. The pressure P is related to the wind speed v in miles per hour by the formula P = v^2/390. What wjind speed will produce the maximum pressure allowed? Round to two significant digits. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #83894 by </B><A HREF=/tutors/aboutme.mpl?userid=ganesh><B>ganesh(20)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ganesh><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=83894\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The relation between pressure(P) and wind speed(v) is P = v^2 / 390.\r<BR>\n" );
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document.write( "The maximum pressure allowed is 25 lb/ft^2.\r<BR>\n" );
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document.write( "Let V be the wind speed which creates maximum pressure.\r<BR>\n" );
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document.write( "Then, 25 = V^2 / 390.\r<BR>\n" );
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document.write( "That is, V^2 = 9750\r<BR>\n" );
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document.write( "Or, V = 98.74 miles/hour. </SPAN>\n" );
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