document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1140261>Question 1140261</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The speed of sound is 1100 ft./sec at sea level. Express the speed of sound in mi/hr usingg dimensional analysis </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #760743 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=760743\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you want to convert 1100 feet per second to miles per hour.\r<BR>\n" );
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document.write( "1 mile = 5280 feet.\r<BR>\n" );
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document.write( "divide both sides of this equation by 5280 and you get:\r<BR>\n" );
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document.write( "1 / 5280 miles = 1 foot\r<BR>\n" );
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document.write( "therefore 1100 feet are equal to 1100 / 5280 miles.\r<BR>\n" );
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document.write( "1 hour is equal to 3600 seconds.\r<BR>\n" );
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document.write( "divide both sides of this equation by 3600  and you get:\r<BR>\n" );
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document.write( "1 second is equal to 1 / 3600 hours.\r<BR>\n" );
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document.write( "therefore 1100 feet / 1 second is equivalent to (1100 / 5280) miles / (1 / 3600) hours.\r<BR>\n" );
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document.write( "this is equivalent to saying (1100 / 5280) / (1 / 3600) miles per hour.\r<BR>\n" );
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document.write( "perform the arithmetic to get 750 miles per hour.\r<BR>\n" );
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document.write( "that's your solution.<BR>\n" );
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