10 points Cobalt phosphate has a bright violet color and was once used as a paint pigment. Cobalt phosphate has the following chemical formula:
Co₃(PO4)2
How many cobalt (Co) atoms are found in one molecule of cobalt phosphate?
2
3

6
5

Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?

Acar of mass 800kg is moving at a speed of 2.2m/s.

What types of radiation make up the electromagnetic spectrum?