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OpenStudy (anonymous):
A ball of mass 50 g tied to the end of a 50 cm inextensible string is whirled around in a vertical circle. Find the tension in the string when the ball is at the top of the circle. Take g=10m/s2
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OpenStudy (anonymous):
is there a speed that the ball is swung at? |dw:1383508363760:dw|
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