If you ignore air resistance whow long will it take the container to fall 300m to the ground?

Write the equation for momentum, first using symbols for the variables, then using words for the variables.

In a system, when potential energy decreases, then entropy also decreases. true false

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?