A fixed non conducting spherical shell of radius R has a charge Q spread uniformly on its surface projection speed is u R 2 A

Question

A fixed non conducting spherical shell of radius R has a charge Q spread uniformly on its surface projection speed is u R 2 A particle having mass m and charge qis projected towards the shell from a large distance at a speed u Impact parameter is see figure The particle passes the shell grazing its surface If the R 2 find n Neglect gravity nQq TE MR R

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