in this problem all that u need to know of electro is that FqQ=kqQ/R2.........
there is a pt charge located at a pt (0,-a) and another pt charge located at a pt (-infinity , 0)
the second pt charge is fired with a velocity of V0i........has a mass 'm'....
find the angle by which it is deflected........
involves majority of mechanics more than anything else..........
Moderation Team
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