Athick glass window (n = 1.5) is coated with a thin layer of transparent material (n = 1.4). what is the minimum thickness of this coating such that when viewed along a line perpendicular to the coated glass, it appears red-orange (wavelength in vacuum = 560 nm)?

What causes the formation of ocean currents?

In one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.

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.