document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=158515>Question 158515</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bullet if fired horizontally at a target, and the sound of its impact is heard 1.5 seconds later. If the speed of the bullet is 3300ft/sec and the speed of sound is 1100ft/sec, how far away is the target? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #116809 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=116809\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Remember: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Speed=Distance%2Ftime ALIGN=MIDDLE  ALT=\"Speed=Distance%2Ftime\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S=d%2Ft ALIGN=MIDDLE  ALT=\"S=d%2Ft\"   DISABLED_style= \"max-width:90%; height:auto;\" >, working eqn<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Speed%5Bb%5D=S%5Bb%5D=3300%28ft%2Fsec%29 ALIGN=MIDDLE  ALT=\"Speed%5Bb%5D=S%5Bb%5D=3300%28ft%2Fsec%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Speed%5Bs%5D=S%5Bs%5D=1100%28ft%2Fsec%29 ALIGN=MIDDLE  ALT=\"Speed%5Bs%5D=S%5Bs%5D=1100%28ft%2Fsec%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Note: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d ALIGN=MIDDLE  ALT=\"d\"   DISABLED_style= \"max-width:90%; height:auto;\" > in question?<BR>\n" );
document.write( "In our working eqn, we get:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=S%2At ALIGN=MIDDLE  ALT=\"d=S%2At\"   DISABLED_style= \"max-width:90%; height:auto;\" >, where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S=S%5Bb%5D-S%5Bs%5D ALIGN=MIDDLE  ALT=\"S=S%5Bb%5D-S%5Bs%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >,---> why?<BR>\n" );
document.write( "When the target was hit, sound travelled back 1.5 sec later. It does not mean you hit the target in 1.5 sec, you hit earlier than that. We need to subtract the speed of sound for that matter. Continuing:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S=%283300-1100%29%28ft%2Fsec%29=2200%28ft%2Fsec%29 ALIGN=MIDDLE  ALT=\"S=%283300-1100%29%28ft%2Fsec%29=2200%28ft%2Fsec%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=%282200%28ft%2Fcross%28sec%29%29%29%281.5cross%28sec%29%29 ALIGN=MIDDLE  ALT=\"d=%282200%28ft%2Fcross%28sec%29%29%29%281.5cross%28sec%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=3300ft ALIGN=MIDDLE  ALT=\"d=3300ft\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---------------------> total distance of the target<BR>\n" );
document.write( "Thank you,<BR>\n" );
document.write( "Jojo\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );