(14%) Problem 5: A hollow non-conducting spherical shell has inner radius R = 5 cm and outer radius R = 15 cm. A charge Q = -35 nC lies at the center of the shell. The shell carries a spherically symmetric charge density p = Ar for R R2 R 25% Part (a) Write an equation for the radial electric field in the region 25% Part (b) What is the radial electric field at the point = 0.5R? Given your answer in units of kN/C, and take the positive direction outwards. E(0.5R)= sin() cos() tan() ( ) 7 8 9 HOME cotan() asin acos EMN4 5 6 atan acotan sinh() 1 2 3 cosh() tanh) Degrees Radians cotanh() + - 0 END DEL CLEAR Grade Summary Deductions Potential Submissions 0% 100% Attempts remaining: 10 (5% per attempt) detailed view NO BACKSPACE I give up! Feedback: 0% deduction per feedback. Submit Hint Feedback Hints: for a 0% deduction. Hints remaining: 25% Part (c) What is the radial electric field at the point = 0.5(R+R)? Give your answer in units of kN/C. E(0.5(R1+R)) = sin cotan() cos() tan asin acos atan() acotan sinh() cosh() tanh() cotanh() Degrees Radians ( ) EMN4 7 8 9 HOME 5 6 * 1 2 3 - 0 END NO BACKSPACE DEL CLEAR Grade Summary Deductions Potential Submissions 0% 100% Attempts remaining: 10 (5% per attempt) detailed view Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. 25% Part (d) What is the radial electric field at the point = 2R? Give your answer in units of kN/C. E(2R)- 7 8 9 HOME 5 6 () EMN4 1 2 3 sin() cos() tan() cotan() asin acos atan() acotan sinh() cosh() tanh) cotanh() - 0 END Degrees Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 4 Feedback: 0% deduction per feedback. Grade Summary Deductions Potential Submissions 0% 100% Attempts remaining: 10 (5% per attempt) detailed view