Part A A point charge of -3.00 µC is located in the center of a spherical cavity of radius 6.60 cm inside an insulating spherical charged solid. The charge density in the solid is 7.35 x 10 4 C/m. Calculate the magnitude of the electric field inside the solid at a distance of 9.10 cm from the center of the cavity. Express your answer with the appropriate units. HA E = 1.369 • 10° C Submit Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining Part B Find the direction of this electric field.

Part A A point charge of -3.00 µC is located in the center of a spherical cavity of radius 6.60 cm inside an insulating spherical charged solid. The charge density in the solid is 7.35 x 10 4 C/m. Calculate the magnitude of the electric field inside the solid at a distance of 9.10 cm from the center of the cavity. Express your answer with the appropriate units. HA E = 1.369 • 10° C Submit Previous Answers Request Answer X Incorrect; Try Again; 8 attempts remaining Part B Find the direction of this electric field.