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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Three equal charges q are placed at the vertices of an equilateral triangle of side a. (a) Find out potential energy of charge system. (b) calculate work required to decrease the side of triangle to a/2. (c) if the charges are released from the shown position and each of them hass same mass m, then find the speed of each particle when they lie on triangle of side 2a.

Three equal charges q are placed at the vertices of an equilateral triangle of side a. (a) Find out potential energy of charge system. (b) calculate work required to decrease the side of triangle to a/2. (c) if the charges are released from the shown position and each of them hass same mass m, then find the speed of each particle when they lie on triangle of side 2a.

find (i) E→=f(r) (ii) E→ - pattern. Referring to the spherical equipotential lines in A