If an object is dropped from a tall building and hits the ground 3.0 s later, how tall is the building?

(in meters)

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

Potato’s are the right way to go promise not apples i’m 5

In atoms, the electron carries a negative elementary or unit charge; the proton carries a positive charge. the two types of charge are equal and opposite. in an atom of matter, an electrical charge occurs whenever the number of protons in the nucleus differs from the number of electrons surrounding that nucleus.