Question 626224
<pre>
You didn't tell us whether the hand is an hour hand, minute hand or second
hand.

If it is the hour hand you're talking about, the tip sweeps out 1 circumference
of the circle it travels through in 1 hour.  The formula for the circumference
of a circle is C = 2<font face="symbol">p</font>r = 2(3.14)(10) = 62.8 cm.

If it is the minute hand, it sweeps through 60 times as many circumferences
as it would if it were the hour hand or 60·62.8 = 3768 cm or 37.68 meters.

If it is the second hand, it sweeps through 60 times as many circumferences
as it would if it were the minute hand or 60·37.68 = 2260.8 meters, or
2.2608 km. a little less than a mile and a half.

Edwin</pre>