Which particles account for most of the mass of an atom?

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .

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?