Categories > Motion in A Plane > A stone ties to the end of a string \[1m\] long is whirled in a horizontal circle with a constant speed. If the stone makes 22 revolution in 44 seconds, what is the magnitude and direction of acceleration of the stone

Motion in A Plane

Question: A stone ties to the end of a string \[1m\] long is whirled in a horizontal circle with a constant speed. If the stone makes 22 revolution in 44 seconds, what is the magnitude and direction of acceleration of the stone


1) \[\frac{{{\pi ^2}}}{4}m{s^{ - 2}}\] and direction along the radius towards the centre
2) \[{\pi ^2}m{s^{ - 2}}\] and direction along the radius away from the centre
3) \[{\pi ^2}m{s^{ - 2}}\] and direction along the radius towards the centre
4) \[{\pi ^2}m{s^{ - 2}}\] and direction along the tangent to the circle
Solution: Explanation: Explanation

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