document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1194440>Question 1194440</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A quarter is dropped from the top of the Eiffel Tower.  Determine amount of time until quarter hits the ground.\r<BR>\n" );
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document.write( "Height of tower; 984 ft.\r<BR>\n" );
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document.write( "Quarter mass; 5.67 grams.\r<BR>\n" );
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document.write( "Check my calculations, please.\r<BR>\n" );
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document.write( "S = 16t^2\r<BR>\n" );
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document.write( "984 = 16t^2\r<BR>\n" );
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document.write( "984 - 16t^2 = 16t^2 - 16t^2\r<BR>\n" );
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document.write( "-16t^2 + 984 = 0\r<BR>\n" );
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document.write( "-16t^2 + 984 - 984 = 0 - 984\r<BR>\n" );
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document.write( "-16t^2 =  -984\r<BR>\n" );
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document.write( "-16t^2 / -16 = -984 / -16\r<BR>\n" );
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document.write( "t^2 = 61.5\r<BR>\n" );
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document.write( "Taking square root:\r<BR>\n" );
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document.write( "t =  + 7.84, - 7.84\r<BR>\n" );
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document.write( "t = 7.84 sec.\r<BR>\n" );
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document.write( "Not sure if I used correct formula.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #826654 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=826654\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A quarter is dropped from the top of the Eiffel Tower.  Determine amount of time until quarter hits the ground.\r<BR>\n" );
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document.write( "Height of tower; 984 ft.\r<BR>\n" );
document.write( "\n" );
document.write( "Quarter mass; 5.67 grams.\r<BR>\n" );
document.write( "\n" );
document.write( "Check my calculations, please.\r<BR>\n" );
document.write( "\n" );
document.write( "S = 16t^2\r<BR>\n" );
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document.write( "984 = 16t^2\r<BR>\n" );
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document.write( "984 - 16t^2 = 16t^2 - 16t^2\r<BR>\n" );
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document.write( "-16t^2 + 984 = 0\r<BR>\n" );
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document.write( "-16t^2 + 984 - 984 = 0 - 984\r<BR>\n" );
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document.write( "-16t^2 =  -984\r<BR>\n" );
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document.write( "-16t^2 / -16 = -984 / -16\r<BR>\n" );
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document.write( "t^2 = 61.5\r<BR>\n" );
document.write( "\n" );
document.write( "Taking square root:\r<BR>\n" );
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document.write( "t =  + 7.84, - 7.84\r<BR>\n" );
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document.write( "t = 7.84 sec.\r<BR>\n" );
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document.write( "Not sure if I used correct formula.<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "You added several \"steps\" that accomplished nothing.<BR>\n" );
document.write( "984 = 16t^2\r<BR>\n" );
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document.write( "984 - 16t^2 = 16t^2 - 16t^2\r<BR>\n" );
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document.write( "-16t^2 + 984 = 0\r<BR>\n" );
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document.write( "-16t^2 + 984 - 984 = 0 - 984\r<BR>\n" );
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document.write( "-16t^2 =  -984  *****  This is where you started.<BR>\n" );
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document.write( "If air resistance is neglected, the mass is not relevant.\r<BR>\n" );
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