How to find the y-component of this vector

Which force is most responsible for binding together an atom's protons and neutrons? electrostatic gravitational nuclear magnetic

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?