Q1. Two point charges, Q1 = -7 and Q2 = 2 are located between two oppositely charged parallel plates. The two charges are separated by a distance of x = 0.33m. Assume that the electric field produced by the charged plates is uniform and equal to E = 6.9×10^4.

Q2. How many people can fit into the Pentagon, which was once the largest office building in the world? Assume that everybody must be standing on the floor.

Round the answer to the nearest power of 10 and then express your answer as order of magnitude. For instance, if you're estimated answer is 3times10^5, enter 5. If your estimated answer is 8.7times10^5, you have to enter 6 (rounding up to the next power of 10).