document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=698959>Question 698959</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this algebra problem.\r<BR>\n" );
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document.write( "Use the fact that the diameter of the largest particle that can be moved by a stream varies approximately directly as the square of the velocity of the stream.\r<BR>\n" );
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document.write( "A stream of velocity v can move particles of diameter d or less. By what factor does d increase when the velocity is doubled?\r<BR>\n" );
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document.write( "This problem is about direct variation and so far this is what I have:\r<BR>\n" );
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document.write( "d=kv^2<BR>\n" );
document.write( "d=k(2v)^2<BR>\n" );
document.write( "d=4kv^2\r<BR>\n" );
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document.write( "I don't know what to do next. Please explain and answer. Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #431139 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=431139\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since d = kv^2 turns into d = 4kv^2 when you double 'v', you are quadrupling d.\r<BR>\n" );
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document.write( "So d increases by a factor of 4. </SPAN>\n" );
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