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I’m needing help with part C on number 1

Also part A on number 7
(10%) Problem 1: Point charges located at 3. 8, and 1 1 cm along the x-axis are represented in the figure. 10 x (cm) +q -2q Otheexpertta.com 33% Part (a) Find the electric field at xi-5.00 cm in N/C, given that q-1.00 HC E-4 10 E-4E+7 Correct ψ 3396 Part (b) At what position between 3.00 and 800 cmis the total electric field the same as that for X2-7 29 alone in cm? Correct ! 33% Part c) At what position to the right of i 1.0 cmis the total electric field zero in cm, other than at infinity? Grade Summary x108.84 Potential 96% - sin cos tan7 9HOME cotan asin) atan acotan sinh0 coshO tan cotanh0 Submissions Attempts remaining: 5 (4% per attempt) detailed view END 4% Degrees O Radians v | BACKSPACE |삐 CLEAR Submit I give upt
(1096) Problem 7: sphere of radius r2 to their size. A conducting sphere of radius ri-a23 m has a total charge of Q-27 C. A second uncharged conducting 0.22 m links to the first by a thin conducting wire. The spheres are separated by an enormous distance compared × 5096 Part (a) what is the total charge on sphere two 02 after they are connected, in coulombs? 0 1.35 Grade Su Deductions Potential cos) tan) t( 7 8 9 HOME sin0 cotan s acos() atan acotan) sino coshO tanh cotanh0 Submissior Attempts r (4% per att detailed vi 0 END Degrees O Radians V İ BACKSPACE IDEL! CLEAR Hint Fedback I give up! Submit Hints:--deduction per hunt. Hints remaining- Feedback: 1 for a deduction 0 The answer provided was not correct We have recognized the following. Your answer appears to be off by a factor of 10*, where n is an integer value. Ensure you have represented the number in the correct units e 50% Part (b) what is the surface charge density of the second sphere, o2, after they are connected in coulombs per square meter? 2-2.2 10 02 2.2E-6 Correct!

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Answer #1

C310)(8,) Cuo p 9 Assume r istance am m electno 터 ら (313)2. (8+r) y2+ (8+3)2. 82 (843)L CHr) (284 167r+64) (gt:46o) = 2(12) (14168464) (28-32) 34(hB-128)n2ts2r ts1に。 γ= 19.606cm 30.6 06 m An232 Afters onnectreng wire potenhal of botn sphere, İB Sam. 21 2sp K (2-1-2) 2122 2.33) 0, 23 O2.2

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