The diagram below shows a ray of light moving from left to right, through the interface between two mediums. snell's law is used to determine the direction of the refracted ray. if the index of refraction in the first medium is 1.5 and the index of refraction in the second medium is 1.0, what is the angle of refraction when the angle of incidence is 28°? a. 25° b. 18° c. 42° d. 45°

Rosa records the distance that a toy car rolls and the time it takes to cover the distance. what scientific practice is this? collecting data asking a question providing explanations communicating results

In the 1980's, congress authorized the u. s. department of energy to build the wipp facility in the chicuahuan desert in new mexico. what is the purpose of wipp?

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?