document.write( "Question 1177474: As shown in the accompanying figure, a pendulum of constant length L makes an angle θ with its vertical position.
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Algebra.Com's Answer #806568 by ikleyn(52908)\"\" \"About 
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document.write( "    h = \"L+-+L%2Acos%28theta%29\"  units of length.\r\n" );
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\n" ); document.write( "\n" ); document.write( "See a chapter related to oscillations in any Physics textbook.\r
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\n" ); document.write( "\n" ); document.write( "Also, you may read from this Wikipedia article\r
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\n" ); document.write( "\n" ); document.write( "https://en.wikipedia.org/wiki/Pendulum\r
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