Ahorizontal pull a pulls two wagons over a horizontal frictionless floor, the first wagon is 500n, the second is 2000 n. the tension in the light horizontal rope connecting the wagons is. explain your answer,

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.