Un haz luminoso llega desde el aire a cierto medio transparente con un ángulo de incidencia de 40 grados. Si el ángulo de refracción es de 25,4 grados a) ¿Cuál es el índice de refracción del material b) ¿cuál es la velocidad de la luz en él?

The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.

While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank