1.

A particle of mass 2 g and charge `1 muC` is held at rest on a frictionless surface at a distance of 1m from a fixed charge of 1 mC. If the particle is released it will be repelled. The speed of the particle when it is at distance of 10 m from fixed charge is :A. `60 ms–1`B. `75 ms–1`C. `90 ms–1`D. `100 ms–1`

Answer» Correct Answer - C


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