If a ray travelling in water is incident on a transparent surface at an angle of 36° and the angle of refraction within the material is 24º, find the refractive index of the material. Identify the medium. Show your work in the
space below. please solve will mark brainliest​

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?