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Aball weighing 1 lb is attached to a string 2 feet long and is whirled in a vertical circle at a constant speed of 10 ft/sec.
a) determine the tension in the string when the ball is at the top of the circle;
b) at the bottom.
c) consider the ball at some point other than the top or bottom. what can you say about the tension in the string at this point
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