document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=232449>Question 232449</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How far will a ball travel horizontally before hitting the ground, if the ball is thrown from a 300ft tower, parallel to the ground at 95mph? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #171809 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=171809\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How far will a ball travel horizontally before hitting the ground, if the ball is thrown from a 300ft tower, parallel to the ground at 95mph?<BR>\n" );
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document.write( "1st find the time to hit the ground.<BR>\n" );
document.write( "h(t) = -16t^2 + 300 is the function giving the height above gnd in terms of t in seconds.<BR>\n" );
document.write( "Set it = 0<BR>\n" );
document.write( "-16t^2 + 300 = 0<BR>\n" );
document.write( "t^2 = 300/16 = 75/4 seconds<BR>\n" );
document.write( "t = ~ 4.330 seconds.<BR>\n" );
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document.write( "95 mph = 95*22/15 ft/sec = 139.333... ft/sec (horizontal speed)<BR>\n" );
document.write( "s = vt (distance = speed*time)<BR>\n" );
document.write( "s = 139.333*4.33<BR>\n" );
document.write( "s = ~ 603.33 feet<BR>\n" );
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