An rl circuit consists of a 44.0 ω resistor and a 2.20 mh inductor. find its impedance z at 60.0 hz and 10.0 khz. (enter your answers in ohms to at least four significant figures.)

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j ?

Which best represents the law of conservation of mass ?

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.