document.write( "Question 1103942: Assume that the simple harmonic motion of a spring is described by the equation
\n" ); document.write( " $\"S=4cos+%28pi%2At%2F2%29\"$ where $\"S\"$ is in cm and $\"t\"$ is in seconds. When during the time, 0 to 8 seconds, is the spring passing through the origin? \n" ); document.write( "

Algebra.Com's Answer #718672 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "S = 0 every time when  = , , , ,  which corresponds to values of t = 1, 3, 5, 7 seconds.\r\n" );
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document.write( "Answer.  S = 0  at  t = 1 second,  3 seconds,  5 seconds  and  7 seconds in the interval from 0 to 8 seconds.\r\n" );
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