Distance of the centre of mass of a solid uniform cone form its vertex is \( z_{0} \). If the ra...

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Distance of the centre of mass of a solid uniform cone form its vertex is \( z_{0} \). If the radius of its base is \( R \) and its height is \( h \) the \( z_{0} \) is equal to
[JEE (Main) 2015]
(a) \( \frac{h^{2}}{4 R} \)
(b) \( \frac{3 h}{4} \)
(c) \( \frac{5 h}{8} \)
(d) \( \frac{3 h^{2}}{8 R} \)
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