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 #664312 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=664312\">put this solution on YOUR website!</A><BR><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( "rate = 10,000 rev/60 sec = 10,000*(2pi)/60 sec = 333.33pi/sec<BR>\n" );
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document.write( "b) Find the maximum linear speed (in meters per second) of a point on the outermost track as the disc rotates.<BR>\n" );
document.write( "Perimeter = 12pi cm<BR>\n" );
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document.write( "speed = 10,000*12pi cm/min = 100*12pi/60 meters/sec = 20 pi meters/sec<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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