Ahungry 173173 kg lion running northward at 82.782.7 km/hr attacks and holds onto a 36.236.2 kg thomson's gazelle running eastward at 57.457.4 km/hr. find the final speed of the lion–gazelle system immediately after the attack.

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.