A particle is kept at rest at the top of a sphere of diameter math xmlns=http://www.w3.org/1998/...

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A particle is kept at rest at the top of a sphere of diameter math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymn42/mnmo /momi mathvariant=normalm/mi/math. When disturbed slightly, it slides down. At what height \( h \) from the bottom, the particle will leave the sphere
(a) \( 14 \mathrm{~m} \)
(b) \( 28 m \)
(c) \( 35 \mathrm{~m} \)
(d) \( 7 \mathrm{~m} \)
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