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A uniform electric field of 4.50 kN/C points in the +x direction. 1) What is the change in potential energy of a +2.00 nC test charge, Uelectric, b - Uelectric, a, as it is moved from point a at x--30.0 cm to point b at x- +50.0 cm? (Express your answer to two significant figures.) 0.81 J Submit You currently have 6 submissions for this question. Only 10 submission are allowed You can make 4 more submissions for this question. Your submissions: 0.81 x Computed value: 0.81 Submitted: Sunday, January 27 at 10:51 PM Feedback: It appears you have made a power of ten error.

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· Potential eherau- is -aven-_eg 试. 15 Given thar a uniform electna ield E points zoltrechon where. E= Y-60kn/C % E is along

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