document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=25683>Question 25683</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, i have this question and i dont know how to start it or what i have to actually find. this is the question;\r<BR>\n" );
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document.write( "Two vibration, x1=3sin(10t+&#960;/6) and x2=2cos(10t- &#960;/6) where t is in seconds, are superimposed. Determine the time at which the amplitude of the resultant vibration, x1+x2 first reaches a value of 2.\r<BR>\n" );
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document.write( "thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #13834 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=13834\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One way to do it would be to graph the sum of the curves <BR>\n" );
document.write( "and find the 1st intersection of this sum with the line <BR>\n" );
document.write( "y=2.  I get an answer of t=0.19834196... radians\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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