document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=673595>Question 673595</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The stopping distance (D) of a vehicle varies directly as the square of its velocity (V).  If a vehicle traveling 40 mph requires 100 feet to come to a stop, find the stopping distance of a vehicle traveling 60 mph.\r<BR>\n" );
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document.write( "I started with y=kx for \"varies directly\" and did not know where to go from there.  Also, I am not sure that I am using the correct method in considering this problem.  The \"square of its velocity\" is throwing me off.   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #418748 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=418748\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "The stopping distance (D) of a vehicle varies directly as the square of its velocity (V).  If a vehicle traveling 40 mph requires 100 feet to come to a stop, find the stopping distance of a vehicle traveling 60 mph.\r<BR>\n" );
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document.write( "Since the stopping distance varies directly as the square of its velocity (V), then:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D+=+kV%5E2 ALIGN=MIDDLE  ALT=\"D+=+kV%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, with k being the constant of variation \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=100+=+k40%5E2 ALIGN=MIDDLE  ALT=\"100+=+k40%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "100 = 1,600k\r<BR>\n" );
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document.write( "k = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=100%2F1600 ALIGN=MIDDLE  ALT=\"100%2F1600\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F16 ALIGN=MIDDLE  ALT=\"1%2F16\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D+=+kV%5E2 ALIGN=MIDDLE  ALT=\"D+=+kV%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D+=+%281%2F16%29+%2A+60%5E2 ALIGN=MIDDLE  ALT=\"D+=+%281%2F16%29+%2A+60%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D+=+%281%2F16%29+%2A+3600 ALIGN=MIDDLE  ALT=\"D+=+%281%2F16%29+%2A+3600\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "D, or stopping distance = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28225%29 ALIGN=MIDDLE  ALT=\"highlight_green%28225%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ft\r<BR>\n" );
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document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com </SPAN>\n" );
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