document.write( "Question 626224: if the hand of the clock is 10 cm long how far will it move within 1 hour
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Algebra.Com's Answer #394052 by Edwin McCravy(20055)\"\" \"About 
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document.write( "You didn't tell us whether the hand is an hour hand, minute hand or second\r\n" );
document.write( "hand.\r\n" );
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document.write( "If it is the hour hand you're talking about, the tip sweeps out 1 circumference\r\n" );
document.write( "of the circle it travels through in 1 hour.  The formula for the circumference\r\n" );
document.write( "of a circle is C = 2pr = 2(3.14)(10) = 62.8 cm.\r\n" );
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document.write( "If it is the minute hand, it sweeps through 60 times as many circumferences\r\n" );
document.write( "as it would if it were the hour hand or 60·62.8 = 3768 cm or 37.68 meters.\r\n" );
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document.write( "If it is the second hand, it sweeps through 60 times as many circumferences\r\n" );
document.write( "as it would if it were the minute hand or 60·37.68 = 2260.8 meters, or\r\n" );
document.write( "2.2608 km. a little less than a mile and a half.\r\n" );
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document.write( "Edwin
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