In theory, what would be the approximate weight gain of a person who consumes an excess of 500 kcal every day for four weeks (e. g., about 28 days)?
a) 0.5 lbs
b) 2 lbs
c) 3 lbs
d) 4 lbs

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.