Long thin wire carrying 6.3 nC/m runs down the center of a long, thin-walled pipe with a radius of 3 cm. The pipe carries 3.6 nC/m spread uniformly over its surface.
Part A:
Find the electric field 1.5 cm from the wire.
Express your answer in kilonewtons per coulomb.
Part B:
Find the electric field 4.5 cm from the wire.
Express your answer in kilonewtons per coulomb.