What is the relationship between lightning and atoms
1.Electrons colliding in the air create lightning
2.Lightning is made of atoms
2. The nucleus of atom colliding creates an atom
4. Lightning is created by the collision of protons

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?

What sort of waves exhibit the doppler effect?

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?