document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=891520>Question 891520</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with this word problem:<BR>\n" );
document.write( "Niagara Skywheel has a diameter of 50.5m and rotates 1 revolution in 2 minutes. the lowest point of the wheel is 2.5m off the ground.\r<BR>\n" );
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document.write( "I need to find the sine equation that models the height of a rider over time on the Skywheel.\r<BR>\n" );
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document.write( "any extra explanation is wonderful, and if there is a way to do this without using pi, I would love to know :)\r<BR>\n" );
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document.write( "Thank you for any help you can give! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #539824 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=539824\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At time <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=0 ALIGN=MIDDLE  ALT=\"t=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, the rider is at the minimum.<BR>\n" );
document.write( "At time <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=1 ALIGN=MIDDLE  ALT=\"t=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, the rider is at the maximum. <BR>\n" );
document.write( "If the rider was at 0m elevation, then the position would look like,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Y=%28%2850.5%29%2F2%29sin%28%28%282pi%29%2F2%29%2At%29 ALIGN=MIDDLE  ALT=\"Y=%28%2850.5%29%2F2%29sin%28%28%282pi%29%2F2%29%2At%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Y=25.25sin%28pi%2At%29 ALIGN=MIDDLE  ALT=\"Y=25.25sin%28pi%2At%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So now just add the 2.5m to the equation,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28Y%5Bact%5D=2.5%2B25.25sin%28pi%2At%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28Y%5Bact%5D=2.5%2B25.25sin%28pi%2At%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "No, there is no way to get around <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi ALIGN=MIDDLE  ALT=\"pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >(Mmmmm <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi ALIGN=MIDDLE  ALT=\"pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >) since it's used to calculate the period of your sine function.  </SPAN>\n" );
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