A vertical electric field of magnitude 2.00*104N/C exists above the earths surface on a day when a thunderstorm is brewing a car with a rectangular...

A vertical electric field of magnitude 2.00*104N/C exists above the earths surface on a day when a thunderstorm is brewing a car with a rectangular size of 6.00m by 3.00m is traveling along a roadway sloping downward at 10.00determine the electric flux through the bottom of the car