An object is placed 9.5 cm in front of a convex spherical mirror. its image forms 3.2 cm behind the mirror. what is the radius of curvature of the mirror? show all work.

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque

Una carga puntual de 3 x 10-6 c se coloca a 12 cm de una segunda carga puntual de - 1,5 x 10-6 c. calcular la magnitud fuerza eléctrica entre las cargas

Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2