The sheriff is trying to determine the speed of a car that slid off a small bridge on a snowy night and landed in a snow pile 4.0 m below the level of the road. The tire tracks in the snow show that the car landed 12.0 m measured horizontally from
the bridge. How fast was the car going when it left the road?

Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward