Aquartz has an index of refraction of 1.46. diamond has an index of refraction of 2.42. in which material does a light ray entering from air slow down more

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j

Select the correct answer. what does the process of natural selection involve?