document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1185293>Question 1185293</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An archer shoots an arrow straight up at 76.7 m/s. (a) How high does the arrow rise? (b) How much time is the arrow in the air? (c) What is the arrow's velocity when it reaches the same height that it was shot from? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #816091 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=816091\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An archer shoots an arrow straight up at 76.7 m/s. <BR>\n" );
document.write( "(a) How high does the arrow rise?<BR>\n" );
document.write( "You didn't spec what value to use for gravity.<BR>\n" );
document.write( "Using 10 m/sec/sec:<BR>\n" );
document.write( "The rise time = 76.7/10 = 7.67 seconds<BR>\n" );
document.write( "Its average speed is 76.7/2 = 38.35 m/sec<BR>\n" );
document.write( "max height = 7.67*38.35 = 294.1445 meters<BR>\n" );
document.write( "============================================<BR>\n" );
document.write( "(b) How much time is the arrow in the air?<BR>\n" );
document.write( "Rise and fall time are equal.<BR>\n" );
document.write( "7.67*2 = 15.34 seconds<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "(c) What is the arrow's velocity when it reaches the same height that it was shot from?<BR>\n" );
document.write( "Same as the launch speed = 76.7 m/sec<BR>\n" );
document.write( "Speed, not velocity.<BR>\n" );
document.write( " </SPAN>\n" );
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