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W 2 Gauss\'s Law Begin Date: 1/27/2017 11:58:00 PM Due Date: 2/3/20177.00:00 PM

ID: 3161631 • Letter: W

Question

W 2 Gauss's Law Begin Date: 1/27/2017 11:58:00 PM Due Date: 2/3/20177.00:00 PM End Date: 2/3/2017 7:00.00 PM (6%) Problem 9: A hollow, uniformly charged sphere has an inner radius ofri 0.15 m and an outer radius 0.35 The sphere has a net charge of e of rz m. A What is the magnitude of the electric field (in NIC) at a distance of r m from the center of the sphere? Grade Summary E(r) Deductions 0% Potential 100% sino cos0 T tano TRT D 7 8 9 HOME Sun cotano asino acos0 4 5 6 Attempts remaining: 7 atan0 acotano sinho 1 2 3 detailed view tanh0 cotanho cosh0 BACKSPACE CLEAR Degrees o Radians I give up! Hint Submit Feedback 0% deduction per feedback Hints 0% deduction per hint. Hints remaining 2 All content c 2017 Expert TA, Luc

Explanation / Answer

E = kqenclosed/r^2

= 9e9*1.3e-6*[0.24^3-0.15^3]/[0.35^3-0.15^3]/0.24^2

= 53733 N/C answer