# Physics

What electric field strength would store 17.5J of energy in every 9.00mm3 of space?

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1. energy density= 1/2 epsilion abs(E^2)

9 mm^3=9 (1m/E3 mm)^3=9E-9 m^3

energy density= 17/8E-9= 2.125E9 J/m^3
now solve for E

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