If f(x)=-3^x, find f(1)

What is the power rating of the lightbulb if 3.0 a flow through it when connected to a 15 v battery

What does the law of conservation of mass state?

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.