Mathew is simulating forces on a simple machine. he runs four tests as shown. which test illustrates a balanced net force?

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?

Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created