document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=190576>Question 190576</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Foul ball.   Suppose Charlie O’Brian of the Braves hits a baseball straight upward at 150 ft/sec from a height of 5 ft.  <BR>\n" );
document.write( "a) Use the formula to determine how long it takes the ball to return to the earth. \r<BR>\n" );
document.write( "\n" );
document.write( "b) Use the accompanying graph to estimate the maximum height reached by the ball.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #143051 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=143051\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose Charlie O’Brian of the Braves hits a baseball straight upward at 150 ft/sec from a height of 5 ft. <BR>\n" );
document.write( "a) Use the formula to determine how long it takes the ball to return to the earth. <BR>\n" );
document.write( "h = 150t - 16t^2 + 5  (I had to supply my own formula)<BR>\n" );
document.write( "for h = 0:<BR>\n" );
document.write( "16t^2 - 150t - 5 = 0<BR>\n" );
document.write( "t = 9.408... seconds<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "b) Use the accompanying graph to estimate the maximum height reached by the ball. <BR>\n" );
document.write( "I don't see a graph, so I calculated 351 ft 6 3/4 inches (351.5625 ft) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );