Answer:Ionic compounds are (usually) formed when a metal reacts with a nonmetal (or a polyatomic ion). Covalent compounds are formed when two nonmetals react with each other.
Explanation:
hope it helped
El vector resultante de C por el metodo del
Answer:
no work was done.
Explanation:
just because you put effort into something doesn't mean it pays off.
because the displacement was 0, the work is 0 too.
The power used by an electrical device is given by:
where V is the potential difference through the device while I is the current flowing through it.
For the cd-player in our problem,
, while the current is
Therefore, the power used is