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lokesh Grade: 6
        
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 distances of approach would be
3 years ago

Answers : (1)

Navjyot Kalra
askIITians Faculty
654 Points
										(d) ½ mv2 = kQq/r ? ½ m (2v)2 = kqQ/r’ ? r’ =
r/4
										
3 years ago
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