document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=405665>Question 405665</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A pendulum in a grandfather clock is 4 feet long and swings back and forth along a 6-inch arc. Approximate the angle in degrees through which the pendulum passes during one swing. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #286615 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=286615\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A pendulum in a grandfather clock is 4 feet long and swings back and forth along a 6-inch arc. Approximate the angle in degrees through which the pendulum passes during one swing.\r<BR>\n" );
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document.write( "In trigonometry there is a formula called the arc length formula.<BR>\n" );
document.write( "It says, in a circle, the arc length determined by the central angle of radian measure. The radius in the given problem is 4 ft and the arc length is 6 inches.\r<BR>\n" );
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document.write( "The angle in radians = arc length/radius=6 inches/48 inches=1/8 radian<BR>\n" );
document.write( "Converting to degrees,1/8 radian*180 degree/pi radian=180/8(3.14)=7.17 deg\r<BR>\n" );
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document.write( "ans:For one swing the pendulum passes thru 7.17 degrees </SPAN>\n" );
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