Two spheres (one with a 12 cm radius, the other with a 18 cm radius) are separated by a distance of 50 cm from surface to surface. each sphere has a charge density of 1.2 nc/m3. what is the force on the 12 cm sphere? 2. from problem 1, what is the electric field at the midpoint between the center of the spheres

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