Coulomb’s Law, cont.
•
Mathematically,
•
•
k
e
is called the
Coulomb Constant
•
k
e
= 8.99 x 10
9
N m
2
/C
2
•
Typical charges can be in the µC range
•
Remember, Coulombs must be used in the
equation
•
Remember that force is a
vector
quantity
•