The value of k is given as 9.0 x 109 N.m^2/C^2. Which unit must be used
for distance when calculating the electric force?
a. centimeters
b. meters
c. kilometers
d. micrometers

The value of k is given as 90 x 109 Nm2C2 Which unit must be used for distance when calculating the electric force a centimeters b meters c kilometers d microme class=