The motor branch-circuit short-circuit and ground-fault protective device shall be capable of carrying the current of the motor

How much force must a locomotive exert on a 12840-kg boxcar to make it accelerate forward at 0.490 m/s2?

Lightning is an example of what phenomenon? a release of a large amount of energyan absorption of a large amount of energya natural electric circuita natural electric current

What is a subatomic particle with a negative charge and very little mass?