document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1118286>Question 1118286</A>: <I><SPAN STYLE=\"word-break: break-all;\"> KMST NOTE:<BR>\n" );
document.write( "I removed the unneeded space.<BR>\n" );
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document.write( "The young folk decide to ride the Terror Tower (the Chaperones opt to watch from the comfort of the ground!). At its maximum height, the ride reaches 65 m above the ground. When one boy reaches the top of the tower, his gum falls out of his mouth. The height of the gum can be given by the mathematical model:  <BR>\n" );
document.write( "h=65-4.9t^2, where t is in seconds and h is measured in metres.  <BR>\n" );
document.write( "[Marks: a: 4; b: 6]\r<BR>\n" );
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document.write( "a.	Find the average velocity of the gum on the intervals 2 <_ t <_3  and 2 <_ t <_2.1 \r<BR>\n" );
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document.write( "b.	Find the instantaneous velocity when t=2. \r<BR>\n" );
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document.write( "all questions please </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #733644 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=733644\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If your model has to be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=65-9t%5E2 ALIGN=MIDDLE  ALT=\"h=65-9t%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then the gum hits the ground for h=0;\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=65-9t%5E2=0 ALIGN=MIDDLE  ALT=\"65-9t%5E2=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=65=9t%5E2 ALIGN=MIDDLE  ALT=\"65=9t%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=t%5E2=65%2F9 ALIGN=MIDDLE  ALT=\"t%5E2=65%2F9\"   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=t=sqrt%2865%29%2F3 ALIGN=MIDDLE  ALT=\"t=sqrt%2865%29%2F3\"   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=t=2.687 ALIGN=MIDDLE  ALT=\"t=2.687\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or to the nearest whole second,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3 ALIGN=MIDDLE  ALT=\"3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=seconds ALIGN=MIDDLE  ALT=\"seconds\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "You can find the asked average speeds in the other given time intervals.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28h%5B2%5D-h%5B1%5D%29%2F%28t%5B2%5D-t%5B1%5D%29 ALIGN=MIDDLE  ALT=\"%28h%5B2%5D-h%5B1%5D%29%2F%28t%5B2%5D-t%5B1%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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