A group of particles of total mass 36 kg has a total kinetic energy of 398 J. The kinetic energy relative to the center of mass is 80 J. What is the speed of the center of mass

Carbon 14 is a naturally occurring stable

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.

The ability to make things happen is also called a. heat b. force c. matter d. energy