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Circular Motion

<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg:: ::/sites/dl/free/0070524076/57981/open05.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (16.0K)</a> A lekos, a Greek goatherd, notices a wolf sneaking up toward his goats. After a moment of panic, he picks up a stone and puts it in his sling. He begins to whirl the stone faster and faster in a circle above his head, as the wolf inches closer and closer. To save the goats, Alekos must release the stone at precisely the right point in its circular path so it hits the wolf and drives it away. At what point should he release the stone?









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