document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=332278>Question 332278</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How far away, in km, is an airplane measured by a radar wave that that takes 9.36 x 10^ -4 s to go and return to the radar unit that is measuring the distance?  Express your answer to the nearest km.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #238133 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=238133\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How far away, in km, is an airplane measured by a radar wave that that takes 9.36 x 10^-4 s to go and return to the radar unit that is measuring the distance? Express your answer to the nearest km. <BR>\n" );
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document.write( "You didn't give the speed of the radar beam, so I'll assume 300,000 km/sec<BR>\n" );
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document.write( "If the roundtrip takes 9.36E-4 seconds, it takes 1/2 that to get to the airplane, = 4.68E-4 seconds<BR>\n" );
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document.write( "3E5 km/sec * 4.68E-4 sec = 14.04E1 km<BR>\n" );
document.write( "=~ 140 km<BR>\n" );
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