Una fibra tiene un índice de refracción de 1.6 para el núcleo y 1.4 para el revestimiento. Si el rayo incidente toca la Frontera con un ángulo de incidencia de 30°, calcule el ángulo de refracción con el que se desvía el rayo en el revestimiento.

Write short note on the following ; collision theory, rotation angle and angular velocity, centripetal acceleration, coriolis force, and newton's law of gravitation.

Astronomers discover an exoplanet (a planet of a star other than the sun) that has an orbital period of 3.87 earth years in its circular orbit around its sun, which is a star with a measured mass of 3.59 x 1030 kg. find the radius of the exoplanet's orbit.

Ascientist is tracking an object orbiting the sun that is found between mars and jupiter. in order to classify the object as an asteroid, it must be at least