How to find acceleration with average velocity and time soup calculator

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

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.