Recent content by abialterego

Thank you cepheid, I can see why the second method was completely wrong. I will keep thinking of this. We must be missing something.

Hi everyone. Thanks for all the explanations, this topic helped me a lot. I still dont' get the last question right. I tried getting the total work (-1/2m*v^2) and substract the work of the engines (which i got right) but i got the answer wrong. The complete question said: (e) How much heat...