A particle of mass \( m \) begins to slide down a fixed smooth sphere from the top with negligib....

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A particle of mass \( m \) begins to slide down a fixed smooth sphere from the top with negligible initial
\( \mathrm{P} \)
velocity. What is its tangential acceleration when it breaks off the sphere?
(1) \( \frac{2 g}{3} \)
(2) \( \frac{\sqrt{5} g}{3} \)
(3) \( g \)
(4) \( \frac{g}{3} \)


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