You are given miles= 50 miles, time = 1 hour initial given velocity= 0 miles/hour (your standing still) and final velocity = 50 miles/hour. you travel a total of 100 miles. how long did it take you (time)?

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?