document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1126080>Question 1126080</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help. A boy on the bridge throws a stone horizontally with a speed of 25 m/s releasing the stone from a point 19.6m above the surface of the river. How far from the point directly below the boy will the stone strike the water?<BR>\n" );
document.write( "This is projectile right? How to solve this? Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #742390 by </B><A HREF=/tutors/aboutme.mpl?userid=Alex.33><B>Alex.33(110)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alex.33><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=Alex.33><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=742390\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Me:<BR>\n" );
document.write( "Ah this should be a problem posted on physics.com...<BR>\n" );
document.write( "Checked physics.com<BR>\n" );
document.write( "Nope<BR>\n" );
document.write( "Better answer it here, though it should be categorized as \"Classic Physics\"<BR>\n" );
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document.write( "Regardless of what's happenning horizontally, vertically its initial speed is 0. It has the accelaration(gravity) of roughly 9.8 m/s^2<BR>\n" );
document.write( "The vertical displacement: y=gt^2/2<BR>\n" );
document.write( "y=19.6 m(since totally it goes vertically 19.6 metres), g=9.8 m/s^2. Solve. t=2 s.<BR>\n" );
document.write( "So the time from start to hitting water is 2 s. This won't change regardless of what's going on horizontally due to the natural properties of these vectors.\r<BR>\n" );
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document.write( "Go back. Horizontally it travelled x=vt=2*25=50 metres.\r<BR>\n" );
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document.write( "Pretty far!\r<BR>\n" );
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document.write( "Anyway hope that helps! And not to be misleading, feel free to ask any physics qustions here, because they are, fundamentally, applications of math, and algebra. </SPAN>\n" );
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