document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1048738>Question 1048738</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A Blu-Ray disc is approximately 12 centimeters in diameter. The drive motor of the Blu Ray player is able to rotate up to 10,000 revolutions per minute, depending on what track is being read.<BR>\n" );
document.write( "a) Find the maximum angular speed (in radians per second) of a Blu-Ray disc at it rotates. <BR>\n" );
document.write( "b) Find the maximum linear speed (in meters per second) of a point on the outermost track as the disc rotates.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #664315 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=664315\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The maximum linear distance will be <BR>\n" );
document.write( "read on the outside track<BR>\n" );
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document.write( "The angular speed is the same for<BR>\n" );
document.write( "the all the tracks<BR>\n" );
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document.write( "The angular speed of the drive is <BR>\n" );
document.write( "[ radian measure of a circle ] / [ time for 1 revolution ]<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+2%2Api+%29+%2F+%28+1%2F10000+%29+ ALIGN=MIDDLE  ALT=\"+%28+2%2Api+%29+%2F+%28+1%2F10000+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20000%2Api+ ALIGN=MIDDLE  ALT=\"+20000%2Api+\"   DISABLED_style= \"max-width:90%; height:auto;\" > radians/min<BR>\n" );
document.write( "[ radians/min ] x [ min/sec ] = [ radians/sec ]<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+20000%2Api+%29%2A%28+1%2F60+%29+=+333.333+ ALIGN=MIDDLE  ALT=\"+%28+20000%2Api+%29%2A%28+1%2F60+%29+=+333.333+\"   DISABLED_style= \"max-width:90%; height:auto;\" > radians/sec<BR>\n" );
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document.write( "The maximum linear speed for the outside track is:<BR>\n" );
document.write( "[ circumference in cm ] / [ time for 1 revolution ]<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+12%2Api+%29+%2F+%28+1%2F10000+%29+=+120000%2Api+ ALIGN=MIDDLE  ALT=\"+%28+12%2Api+%29+%2F+%28+1%2F10000+%29+=+120000%2Api+\"   DISABLED_style= \"max-width:90%; height:auto;\" > cm/min<BR>\n" );
document.write( "[ cm/min ] x [ min/sec ] x [ m/cm ] = [ m/sec ]<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28120000%2Api%29%2A%28+1%2F60+%29%2A%28+1%2F100+%29+=+120000%2Api+%2F+6000+ ALIGN=MIDDLE  ALT=\"+%28120000%2Api%29%2A%28+1%2F60+%29%2A%28+1%2F100+%29+=+120000%2Api+%2F+6000+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+120000%2Api%2F6000+=+20%2Api+ ALIGN=MIDDLE  ALT=\"+120000%2Api%2F6000+=+20%2Api+\"   DISABLED_style= \"max-width:90%; height:auto;\" > m/sec<BR>\n" );
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document.write( "Check my math & get a 2nd opinion too\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );