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A stone is making 30 revolutions in 40 s...

A stone is making 30 revolutions in 40 s when attached to a string of length 3 m and is swiled in a circle . What will be the magnitude and direction of acceleration?

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The correct Answer is:
`66.67 m//s^(2)`, towards the centre
`66.67 m//s^(2),` towards the centre
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