A body starts from rest and acquires acceleration of 10 m/s calculate the distance traveled by the body in 20s

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?

During the past 150 years in the united states, how did energy consumption compare to population growth

Which of the following is most likely to be the best conductor of electricity? oxygen chlorine aluminum chromium