Un rayo de luz que se propaga en el aire entra en el agua con un ángulo de incidencia de 45o. Si el índice de refracción del agua es de 1,33, ¿cuál es el ángulo de refracción?

25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils

What is the equation for electrical work?