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In the given figure, a = 15 m/s² represents the total acceleration of a particle moving in the clockwise direction in a circle of radius R = 2.5 m at a given instant of time. The speed of the particle is : -

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5.7 m/s

6.2 m/s

4.5 m/s

5.0 m/s

answer is A.

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Detailed Solution

$a \cos 30^{0} = \frac{V^{2}}{R}$

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