document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=748975>Question 748975</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello, I am having trouble with the following question. <BR>\n" );
document.write( "'A frog jumps straight up off the ground with an initial vertical velocity of 2 feet per second. After how many seconds does the frog land on the ground?'<BR>\n" );
document.write( "I know that I am supposed to use the formula<BR>\n" );
document.write( "h=-16t^2+vt+s<BR>\n" );
document.write( "Here is what I have simplified it to:<BR>\n" );
document.write( "0=-16t^2+2t\r<BR>\n" );
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document.write( "I am not sure what to do now.  (or even if the simplified equation above is correct) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #455746 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=455746\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> we are given\r<BR>\n" );
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document.write( "h=-16t^2+vt+s\r<BR>\n" );
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document.write( "solve the equation for h=0  and note that s is initial height above ground which in this case is 0\r<BR>\n" );
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document.write( "0=-16t^2+2t+0\r<BR>\n" );
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document.write( "divide both sides of = by 2\r<BR>\n" );
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document.write( "0=-8t^2+t  and we have\r<BR>\n" );
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document.write( "t(-8t+1)=0\r<BR>\n" );
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document.write( "solution is t = 0 or t=1/8 second\r<BR>\n" );
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document.write( "use t = 1/8 second<BR>\n" );
document.write( " </SPAN>\n" );
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