document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=32214>Question 32214</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The intensity of light X, measured in foot-candles, varies inversely as the square of the distance from the light d.  If X=4/5 foot-candles when the distance is 20 feet.  Find the constant of varieation and then find the intensity when the distance is 16 feet.\r<BR>\n" );
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document.write( "K=___________________\r<BR>\n" );
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document.write( "Answer_______________ </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #18828 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=18828\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The intensity of light X, measured in foot-candles, varies inversely as the square of the distance from the light d. If X=4/5 foot-candles when the distance is 20 feet. Find the constant of varieation and then find the intensity when the distance is 16 feet.<BR>\n" );
document.write( "K=___________________ <BR>\n" );
document.write( "The intensity of light X, measured in foot-candles, varies inversely as the square of the distance from the light d. HENCE...<BR>\n" );
document.write( "INTENSITY = X =K/D^2...WHERE K IS A CONSTNT AND D IS THE DISTANCE FROM LIGHT SOURCE.<BR>\n" );
document.write( "If X=4/5 foot-candles when the distance is 20 feet. <BR>\n" );
document.write( "4/5=K/20*20...K=20*20*4/5=320<BR>\n" );
document.write( "Find the constant of varieation<BR>\n" );
document.write( "K=320<BR>\n" );
document.write( " and then find the intensity when the distance is 16 feet.<BR>\n" );
document.write( "X=320/16*16=5/4 FOOT CANDLES. </SPAN>\n" );
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