document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1119885>Question 1119885</A>: <I><SPAN STYLE=\"word-break: break-all;\">         Use the equation for kinetic energy to show that velocity is more effective than mass in bringing a speeding car to a stop.  (Hint: There is no need to calculate anything.  Use the relationships between the physical quantities in the equation for your explanation.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #735595 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><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=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=735595\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E%5Bk%5D+=+%281%2F2%29+mv%5E2+ ALIGN=MIDDLE  ALT=\"+E%5Bk%5D+=+%281%2F2%29+mv%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "Notice how the energy is proportional to the square of the velocity.  So a small decrease in v results in a large decrease in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E%5Bk%5D ALIGN=MIDDLE  ALT=\"+E%5Bk%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >.   Reducing m is not practical in ordinary situations, and even so, it would only affect <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E%5Bk%5D+ ALIGN=MIDDLE  ALT=\"+E%5Bk%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" > linearly.  \r<BR>\n" );
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