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>>Systems of Particles and Rotational Motion
>>Angular Velocity and its Relation with Linear Velocity
>> $A stone tied to the end of a string of 1$

Question

A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant speed. If the stone makes 22 revolution in 44 seconds, what would be the magnitude and direction of acceleration of the stone?

A

$π^{2} m s^{- 2}$ and direction along the tangent to the circle

B

$π^{2} m s^{- 2}$ and direction along the radius towards the centre.

C

$\frac{π ^{2}}{4} m s^{- 2}$ and direction along the radius towards the centre.

D

$π^{2} m s^{- 2}$ and direction along the radius away from the centre.

Medium

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Updated on : 2022-09-05

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Correct option is B)

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A stone tied to the end of a string of $1$ m long is whirled in a horizontal circle with a constant speed. If the stone makes $22$ revolutions in $44$ s, what is the magnitude and direction of acceleration of the stone?

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