Abby who has a mass of 55kg, ran from the zombies to hide in the closet. What is the force require to accelerate her 5m/s2?

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?

What’s #16 asking me and how do i solve it?

Which best term to describe a chemical reaction that absorbs energy from its surroundings? a. thermal conductor b. thermal insulator c. endothermic d. exothermic