A small particle of mass \( 0.36 \mathrm{~g} \) rests on a horizontal turntable at a distance \(....
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A small particle of mass \( 0.36 \mathrm{~g} \) rests on a horizontal
\( \mathrm{P} \)
turntable at a distance \( 25 \mathrm{~cm} \) from the axis of spindle. The turntable is accelerated at a rate of \( \alpha=\frac{1}{3} \mathrm{rad} \mathrm{s} \mathrm{s}^{-2} \). The frictional force that the table exerts on the particle \( 2 \mathrm{~s} \) after the startup is
(A) \( 40 \mu \mathrm{N} \)
(B) \( 30 \mu \mathrm{N} \)
(C) \( 50 \mu \mathrm{N} \)
(D) \( 60 \mu \mathrm{N} \)
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