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(7%) Problem 9: A point charge is b-5.5 m above the center of a uniformly charged z-axis ring of radius a = 0.44 m sitting in the xy plane with charge Q Randomized Variables b-5.5 nm a = 0.44 m 8.5 pC (0.0,b) X-axi (a,0,0) Otheexpertta.com 33% Part (a) Calculate the z component of the electric field at P in newtons per coulomb Grade Summarv Deductions Potential 100% cosO asinO tanO ( acosO sinh) cotanh Submissions Attempts remaining: 5 (4% per attempt) detailed view sino cotanOa atan acotan si coshOtanh0 Degrees ORadians Submit Hint I give up!33% Part (b) Calculate the x and y components of the electric field at P in newtons per coulomb Grade Summary Deductions Potential 0% 100% Submissions sinO cotan) asin( cosO tan() π ( Attempts remaining:5 (4% per attempt) detailed view acoso atanacotan)sinh) cosh)tanh)cotanh) Degrees O Radians Submit Hint I give up33% Part (c) Assume b is very large. Now if b doubles, what happens to the magnitude of the Electric Field? Grade Summary Deductions Potential 100% The electrical field at P becomes a quarter of its previous strength The electrical field at P is unchanged The electrical field at P quadruples The electrical field at P becomes half of its previous strength. None of these The electrical field at P doubles 0% Submissions Altempts remaining: 5 (20% per attempt) detailed view Submit Hint I give up!please show all work and solve all parts!

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(a, 010 Eg= 2504-84-Nle = 8.sx1oux250 4-84- Aus s Vetu la t g 52- 皆) Notw b deubled so, eleetnc Fteld Tedluttr of 4

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