document.write( "Question 83017: The period of a simple pendulum is directly proportional to the square root of its length. If a pendulum has a length of 6 feet and a period of 2 seconds, to what length should it be shorten to achieve a 1 second period? The answer is multiple choice.\r
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document.write( "a. 1 foot
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document.write( "b. 1.5 feet
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document.write( "c. 2 feet
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document.write( "d. 3 feet \n" );
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Algebra.Com's Answer #59564 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! (b) 1.5 ft \n" ); document.write( "p = period \n" ); document.write( "s = length in ft \n" ); document.write( "k = constant of proportionality \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "p = 1 sec \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "square both sides \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "length for a 1 sec period is 1.5 ft answer \n" ); document.write( " |