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## Homework Statement

at a distance of 1.0 m from a point charge, the electric field is 40 J/C. What is the electric field at a distance of 2.0 m from the point charge?

## The Attempt at a Solution

so, i understand that the elecric field should be = charge/distance(squared).

so I did:

40/(2^2) = 10 J/C

Is this correct or am i missing something? thanks