In the given figure, \( a=15 \mathrm{~m} / \mathrm{s}^{2} \) represents the total acceleration o...

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In the given figure, \( a=15 \mathrm{~m} / \mathrm{s}^{2} \) represents the total acceleration of a particle moving in the clockwise direction in a circle of radius \( R=2.5 \mathrm{~m} \) at a given instant of time. The speed of the particle is
[NEET (Phase-II) 2016]
(a) \( 5.7 \mathrm{~m} / \mathrm{s} \)
(b) \( 6.2 \mathrm{~m} / \mathrm{s} \)
(c) \( 4.5 \mathrm{~m} / \mathrm{s} \)
(d) \( 5.0 \mathrm{~m} / \mathrm{s} \)
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