Recent content by konbakas

Thank, but that's not an assigned homework, its more like me trying to figure out a thought experiment. But I have nearly no experience in air-friction calculations, so I was hoping someone could enlight me in the mathematic formulas on this field or the thought process behind solving this kind...

Summary:: How can I measure the friction of a train with its rails and the air. How can I measure the friction of a train with its rails and the air. You can assume that the face of the train is like the picture below. If you need any specifications just let me know