An electric field of 8. 50×105 v/m is desired between two parallel plates, each of area 45. 0 cm2 and separated by 2. 45 mm of air. What charge must be on each plate?.

The density of gold is 19.3g/cm3. what is the volume of a 13 g gold nugget? ( density: d= m/v)

What are similarities and differences of reflection, refraction, diffraction and absorption?

1which body contains the majority of the mass in the solar system earth jupiter the moon the sun 2 what keeps the objects in the solar system such as planets orbiting around the sun the force of gravity the galaxy exerts on all objects within it including the solar system the great distance between the sun and the planets the sun's nuclear fusion which acts on each object the gravitational force between the sun and each object in the solar system