A scientist wants to measure the relationship between humidity in the summer and the number of home runs in baseball. Which of the following is a
testable question about this topic?
A. Are home runs more fun to watch than normal hits?
B. Are home runs more exciting during the summer?
C. Are there more home runs during the more humid months of the
summer?
D. Should fans like the players who hit the most home runs?

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.