the refractive index of rock salt with respect to water is 1.17. What will be the refractive index of water with respect to rock salt​

If you were to drop a rock from a tall building, assuming that it had not yet hit the ground, and neglecting air resistance. what is its vertical displacement (in m) after 6 s?

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

While carrying a heavy box up the stairs,you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.