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An atrangement of source charges produce...

An atrangement of source charges produces electric. potential `bar{V}=5000 t^{2}` along the x -axis, where V is in volt and `x` is in metre. If a charge particle of mass 1g` and charge `1nC is present in this field and its turning points are at `pm 8.0 cm `, then what is the particie's maximum speed (in mm/s).

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