document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=53174>Question 53174</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395977258/algebrahomeworkh>Algebra and Trigonometry Structure and Method </A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> A projectile is launched upward from the ground level with an initial speed of 98m/s.  How high will it go?  When will it return to the ground? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #35589 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=35589\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A projectile is launched upward from the ground level with an initial speed of 98m/s. How high will it go? When will it return to the ground?<BR>\n" );
document.write( "THE FORMULAE ARE ......<BR>\n" );
document.write( "V=U-GT.....<BR>\n" );
document.write( "V^2-U^2 = -2GS <BR>\n" );
document.write( "WHERE U = INITIAL VELOCITY = 98 M/SEC<BR>\n" );
document.write( "V = FINAL VELOCITY = 0 M/SEC<BR>\n" );
document.write( "G = ACCELERATION DUE TO GRAVITY = 9.8 M/SEC^2<BR>\n" );
document.write( "S = DISTANCE TRAVELLED IN M .<BR>\n" );
document.write( "0 - 98^2 = -2*9.8S<BR>\n" );
document.write( "S= 98*98/(9.8*2)= 490 M .....IT WILL GO UP TO 490 M . HT.\r<BR>\n" );
document.write( "\n" );
document.write( "0 = 98 - 9.8 T<BR>\n" );
document.write( "T=98/0.8 =10 SEC...<BR>\n" );
document.write( "IT WILL TAKE SAME TIME TO COME DOWN <BR>\n" );
document.write( "HENCE IT WILL HIT THE GROUND AFTER 10+10 = 20 SEC </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );