a cyclist reaches the top of a hill with a speed of 16.2km / h. If going down the hill it accelerates at the rate of 0.40m / s, for 0.2 minutes. What will be the displacement that it will travel during that time?

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.