Determine el potencial eléctrico en voltios creado por una carga puntual de 5,4µC en un punto situado a 2 metros de ella en el vacío.

Suppose while hauling rocks, you accidentally drop one. it breaks apart in flat, planar sections. what type of rock did you just drop? 20 points

When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?