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(i). A charge of Q coulomb is uniformly ...

(i). A charge of Q coulomb is uniformly distributed over a spherical volume of radius R metre Obtain an expression for the energy of the system.
(ii). What will be the corresponding expression for the energy needed to completely diassemble the planet earth against the gravitational pull amongst its constituent particles? Assume the earth to be a sphere of uniform mass density. calculate the energy, given that the product of the mass and the radius of the earth to be `2.5xx10^(31)kg-m`

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