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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 (neglect otherforces except electric forces) (1) r/ 2 (2) 2r (3) r (4) r/ 4

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 (neglect otherforces except electric forces) (1) r/ 2 (2) 2r (3) r (4) r/ 4

Grade:12

1 Answers

grenade
2061 Points
8 years ago
(4) r/ 4
conservation of energy

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