Find the gravitational field on the surface of an alien planet that has an estimated mass of 3.5 x 1026 kg and radius of 9.0 x 107 km. Show all work.

d) physical means can be used to separate the components of air.

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.