- #1
Bill Nye Tho
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Homework Statement
The electric field, E, a distance D away from a charged particle is directly proportional to the size of the charge Q, and inversely proportional to the square of the distance D. If the charge is increased by 40% and the distance is increased by 30%, by what percentage does the electric field change?
Homework Equations
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The Attempt at a Solution
I'm actually pretty upset with how rusty I am at this but for some reason when I read these problems (and precalculus gravitational problems), I can't seem to get Classical Mechanics and Electromagnetism equations out of my mind. Although, I know that the answer will pretty much apply Coulomb's Law. Maybe I'm overthinking this..
ED = Q = 1/D^2
+.35(Q)
+.2(D)
Is all I'm interpreting from the question.