Recent content by kurt13

Does anyone know how to do it or can give me more hints ? I would be very thankful, I kinda need this pretty soon. And when integrating, what should be tracks? [1) 0 ... Pi or 2) 0 ... t)]

Homework Statement Hello, I have one hard exercise, that I can't do. Sorry for my English, it's not my mother tongue, but maybe somebody could help. To charge a battery with direct current I, it takes t=8 h. But they didn't have a DC supply, so they charged it with AC, that was rectified...