How high is an object lifted if the total work done on it is 125 j and the force required to lift the object is 25 n? use the equation w = f x d.
a. 6 m
b. 12 m
c. 5 m
d. 10 m

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.