Please can some tell me what the units are for : power
energy
resistance
current
potential difference

Are aliens real? justify you’re answer.

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

If element x has 99 protons how many electrons does it have