document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=705704>Question 705704</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hi<BR>\n" );
document.write( "i have a qiestion about a formula:for measuring the sound intensity level why do we use log?<BR>\n" );
document.write( "why don't we use sin or cos or anything else?<BR>\n" );
document.write( "plz answer me<BR>\n" );
document.write( "many thnx </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #434935 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=434935\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Probably because the human ear is a logarithmic device. Another words very soft sounds get amplified much more than loud sounds. It recognizes only a 3 db increase in power when sound power is doubled.  </SPAN>\n" );
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