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) PM (11%) Problem 7: A hollow non-conducting spherical shell has inner radius R1 6 cm and outer radius R2- 19 cm. A charge Q- -25 nC lies at the center of the shell. The shel carries a spherically symmetric charge density o Ar for Rr< R2 that increases linearly with radius, where A-16 μC/m Ctheexpertta.com e 25% Part (a) Write an equation for the radial electric field in the region r < R, in terms of positive direction as outward r, and Coulombs constant k You may take the Correct 25% Part (b) what is the radial electric field at the point r-05R1? Given your answer in units of kN/C, and take the positi outwards. Grade Summary Deductions 12% Potential 88% sin0 cosO ta cotan0 asin0 atan0 acotan0 sinh0 coshO tanhO cotanh0 ーper attempt) view 4% Degrees Radians Submit Igive up! ーム25% Part (c) what is the radial electric field at the point r-0.5(Rr+R2)? Give your answer in units of -& 25% Part (d) what is the radial electric field at the point r-2R2? Give your answer in units of kNC.
Can you Solve Part b and c and d.

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