physics
posted by jenny .
Two electrostatic point charges of +54.0 ¦ÌC
and +47.0 ¦ÌC exert a repulsive force on each
other of 189 N.
What is the distance between the two
charges? The value of the Coulomb constant
is 8.98755 ¡Á 109 N ¡¤ m2/C2.
Answer in units of m

Use the equation F=kq1q2/r^2 and plug in your givens