A pirate is looking for buried treasure. He wandered 30m due north and 40m due south. What
is the magnitude of his displacement from his original position?

1)30m
2)40m
3)50m
4) 70m

Disney, viacom and aol time warner are examples of

The substances that are necessary for producing of certain hormones and that store and transport vitamins

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.