document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1202261>Question 1202261</A>: <I><SPAN STYLE=\"word-break: break-all;\"> construction crew wants to hoist a heavy beam so that it is standing up straight. They<BR>\n" );
document.write( "tie a rope to the beam, secure the base, and pull the rope through a pulley to raise one end<BR>\n" );
document.write( "A of the beam from the ground. When the beam makes an angle of 40o with the ground, the<BR>\n" );
document.write( "top of the beam is 8 ft above the ground.<BR>\n" );
document.write( "The construction site has some telephone wires crossing it.. The workers are concerned<BR>\n" );
document.write( "that the beam may hit the wires. When the beam makes an angle of 60o with the ground,<BR>\n" );
document.write( "the wires are 2 ft above the top of the beam. Will the beam clear the wires on its way to<BR>\n" );
document.write( "standing up straight? Explain your answer\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #836958 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=836958\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The beam is [ivoted about M<BR>\n" );
document.write( "MP will be length of beam<BR>\n" );
document.write( "In triangle MPB <BR>\n" );
document.write( "sin (40) = 8/MP\r<BR>\n" );
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document.write( "MP = 8/sin (40)\r<BR>\n" );
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document.write( "12.445 ft\r<BR>\n" );
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document.write( "The cables are 2ft above 12.445 - 14.445 ft ( See fig)\r<BR>\n" );
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document.write( "The beam will pass below the cables safely\r<BR>\n" );
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