Acurrent of 4 ampere flows in a wire of resistivity 60 ohm calculate power

For me a person with a phd and who knows what there talking about.i know the chances of a radiation leak is low but if it does the area within a 96.3 mile radius would be unusable because of contamination

Velocity is the speed of an object in a certain direction so you'd need to know speed and direction

An atom's smaller negative particles are at a distance from the central positive particles, so the negative particles are easier to move.