| 1 | Why meet the Coulomb's law? | |
| 2 | I just plug into the Coulomb's Law. | |
| 3 | Force value is consistent with Coulomb's law. | |
| 4 | Two constants, Planck's constant and that for Coulomb's Law. | |
| 5 | Central Henan Urban Agglomeration; Yangtze River Delta Agglomeration; Coulomb Law; |