What is the centripetal acceleration of a point mass which is moving on a circular path of radiu...

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What is the centripetal acceleration of a point mass which is moving on a circular path of radius \( 5 \mathrm{~m} \) with speed \( 23 \mathrm{~ms}^{-1} \) ?
(a) \( 106 \mathrm{~ms}^{-2} \)
(b) \( 90 \mathrm{~ms}^{-2} \)
(c) \( 60 \mathrm{~ms}^{-2} \)
(d) None of these
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