Three point charges, Q1, Q2, and Q3 are arranged in a triangle as shown in the figure. Point charge Q1 has a charge of 5.16 nC. Point charge Q2 has a charge of 6.52 nC. Point charge Q3 has a charge of 2.25 nC. Point charges Q1 and Q2 are separated by a distance D12 of 0.146 m. Point charges Q2 and Q3 are separated by a distance D23 of 0.625 m. Point charges Q1 and Q3 are separated by a distance D13 of 0.578 m.