Аа Part C
What caused the change in the fireball's velocity as it traveled?
1)
please help me

If two metal balls each have a charge of -10^-6 c and the repulsive force between them is 1 n, how far apart are they? (coulomb's constant is k = 9.0x 10^9 n-m^2/c^2? 9.5 m 9.0 mm 9.5 cm 0.9 m .

What is work? how much work is done to move an object 0 meters?

The electronic structure or chlorine is 2.8.7 what is the electronic structure of fluorine?