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	<title>Musical Instruments Showcase</title>
	<link>http://www.hillcrestbands.org</link>
	<description>About All Types of Musical Instruments</description>
	<lastBuildDate>Sun, 14 Mar 2010 16:33:27 +0000</lastBuildDate>
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	<item>
		<title>Piano Stools</title>
		<description><![CDATA[
urgent physics?

A student on a piano stool rotates freely with an angular speed of 3.10 rev/s. The student holds a 1.49 kg mass in each outstretched arm, 0.759 m from the axis of rotation. The combined moment of inertia of the student and the stool, ignoring the two masses, is 4.83 kgm2, a value that [...]]]></description>
		<link>http://www.hillcrestbands.org/piano-stools/</link>
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