Physics, 28.02.2020 05:17 desteyness8178

A charge particle 'q' is shot towards another charged particle 'Q' which is fixed , with a speed 'v'.It approaches 'Q' upto a closest distance r and then returns . If q were given a speed of '2v' the closest distance of approach would be
(a)r2(b)2r(c)r(d)r4

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A charge particle 'q' is shot towards another charged particle 'Q' which is fixed , with a speed 'v'...