Question 6 (a) Recall the derivation for the perimeter of a circle, starting with the definition of angle in radians. (b
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Question 6 (a) Recall the derivation for the perimeter of a circle, starting with the definition of angle in radians. (b
Question 6 (a) Recall the derivation for the perimeter of a circle, starting with the definition of angle in radians. (b) Derive the expression for the surface area of a sphere using your answer to (a). (C) Derive the expression for the volume of a sphere using your answer to (b). (d) A charge Q is uniformly distributed over the curved surface of a thin hemispherical cup (an insulator) of radius R. Find the equation for the electric field at the center of the Hemisphere's "flat surface.