The inner conductor of two coaxial cylindrical conductors carries a charge per unit length +λ C/m, and the outer conductor is grounded.
Given that the electric field between the two conductors is E = (λ/2πεor) rˆ, find an expression for the electric potential difference between the cylinders.

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?

Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this