document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1014453>Question 1014453</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A tennis player hits a ball with an initial vertical velocity of 63 feet per second. Can you find the number of seconds the tennis ball is I the air? Explain why not or find the number of seconds. <BR>\n" );
document.write( "Initial velocity formula: -16t^2+vt+s<BR>\n" );
document.write( "where t is the time (in seconds) the object has been in the air, v is the initial vertical velocity (in feet per second), and s is the initial height (in feet) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #630857 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=630857\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A tennis player hits a ball with an initial vertical velocity of 63 feet per second. Can you find the number of seconds the tennis ball is I the air? Explain why not or find the number of seconds. <BR>\n" );
document.write( "Initial velocity formula: -16t^2+vt+s<BR>\n" );
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document.write( "h(t) = -16t^2 + 63t + s<BR>\n" );
document.write( "s is not given.<BR>\n" );
document.write( "If you know s, then find t for -16t^2 + 63t + s = 0<BR>\n" );
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