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- Homework Statement
- Two identical charged particles each carrying charge q = 0.1 mC and of mass m = 10mg are projected along two parallel lines separated by a distance l, with equal speed V0= 104 m/s in opposite directions. In the beginning electrostatic interaction between the charges can be ignored due to a large distance between them. The minimum distance between the particles is found to be 12 cm. The value of l is equal to

- Relevant Equations
- Linear momentum conservation

I believe momentum conservation is to be used in this sum since there's no external force, but I am not sure how to write the equation.

Can someone please help me out:)

Can someone please help me out:)