document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=825614>Question 825614</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm having a lot of trouble with this problem, any help would be of great use!\r<BR>\n" );
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document.write( "1. For the simple harmonic motion described by the trigonometric function, find a)the maximum displacement, b) the frequency and, C) the least positive value of t for which\r<BR>\n" );
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document.write( "d=0, d= 2/3cos30pIt </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #497446 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=497446\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. For the simple harmonic motion described by the trigonometric function,<BR>\n" );
document.write( "d(t) = (2/3)cos(30pI t)<BR>\n" );
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document.write( "Find:: <BR>\n" );
document.write( "a)the maximum displacement:: amplitude = 2/3<BR>\n" );
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document.write( "b) the frequency:: (2pi)/(30pi) = 1/15<BR>\n" );
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document.write( "C) the least positive value of t for which d=0<BR>\n" );
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document.write( "Solve (2/3)cos(30pI t) = 0<BR>\n" );
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document.write( "cos(30pi t) = 0<BR>\n" );
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document.write( "Since cos = 0 when the angle = pi/2<BR>\n" );
document.write( "30pi t = pi/2<BR>\n" );
document.write( "60t = 1<BR>\n" );
document.write( "t = 1/60 radians<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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