The graph in the figure shows the electric potential energy as a function of separation for two point charges. If one charge is +0.44 nC, what is the other charge in nanoCoulombs? In the table below the first column is x in cm and the second column is U in microJoules.
| 0.5 |
-0.8 |
| 1 |
-4 |
| 2 |
-2 |
| 3 |
-1.33 |
| 4 |
-1 |
| 5 |
-0.8 |
| 6 |
-0.67 |
| 7 |
-0.57 |
| 8 |
-0.5 |
| 9 |
-0.44 |
| 10 |
-0.4 |
