Its Young's (excluded) not Old's (included)

Classical Mechanics Level 5

A cone of circular cross section having base radius R and height L and mass M is suspended from its base as shown in the fig. The material of the cone has young modulus Y. The acceleration due to gravity is g .Elastic potential energy stored in the cone is $E=\frac{m^{a}g^{b}L^{c}}{d\pi^{e}R^{f}Y^{g}}$

Find $a+b+c+d+e+f$

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