AIPMT 2005 Physics and Chemistry Paper

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Question : 34 of 100

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A stone tied to the end of a string of 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-

π2ms−2 and direction along the tangent to the circle
π2ms−2 and direction along the radius towards the centre.
‌
π2
4
ms−2 and direction along the radius towards the centre.
π2ms−2 and direction along the radius away from the centre.

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