How far will it take a 1250 kg car moving at 15.1 meters per second to stop if the braking force applied is 2.22 x 10^4 N

How many molecules are present in 3 mols of silicon dioxide (sio2)?

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.