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A stone tied to the end of a string 80 c...

A stone tied to the end of a string 80 cm long is whirled in a horizontal circle with a constant speed. If the stone makes 14 revolutions in 25 seconds, what is the magnitude and direction of acceleration of the stone ?

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`omega=(88)/(25)"rad s"^(-1), omega=(2pi)/(T)=(2pi N)/(t)`
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