A solid conducting sphere of radius 2.09cm has a charge 8.11uC. A conducting spherical shell of inner radius 4.08cm and outer radius 4.84cm is concentric with the solid sphere and has a charge -3.93uC. Calculate the electric field at r = 1.44cm from the center of this charge configuration. Calculate the electric field at r = 3.01cm from the center of this charge configuration. Calculate the electric field at r = 4.34cm from the center of this charge configuration. Calculate the electric field at r = 7.44cm from the center of this charge configuration.