A battery is a device that stores chemical energy and converts it to electrical energy. Two terminals made of different chemicals (typically metals), the anode and the cathode; and the electrolyte, which separates these terminals.
Hope I get it and hope this helps
All machines are not 100% efficient because of <span>C. Friction</span>
<span>D. Atoms of all elements contain protons, but the number of protons is different for every element.
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I believe it is -1.11 m/s^2. I will let you know if its correct
D. This is the part of the system that changes the output after comparing it to the input. The sensor tells where the actual system is presently, the effector is the physical device the system is controlling and the response is how the system responds to output. The integrating center is in charge of putting it all together and thus knows (contains) the desired set point
