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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
P
WW time. The speed of the particle is
(a) \( 4.5 \mathrm{~m} \mathrm{~s}^{-1} \)
(b) \( 5.0 \mathrm{~m} \mathrm{~s}^{-1} \)
(c) \( 5.7 \mathrm{~m} \mathrm{~s}^{-1} \)
(d) \( 6.2 \mathrm{~m} \mathrm{~s}^{-1} \) (NEET-II 2016)
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