# A charge of #2 C# is at #(-3,7)# and a charge of #-1 C# is at #( 2, -9 )#. If both coordinates are in meters, what is the force between the charges?

##### 1 Answer

Oct 5, 2016

#### Explanation:

Let's look up Coulomb's Law and its associated constant:

Where

We use the given points to compute the square of the distance between the charges: