Recent content by forester404

Thanks for the quick reply !

Homework Statement Hi. I am trying to learn some physics with MIT free resources (just out of personal interest), and this is where i got stuck: on section 14-13, in http://ocw.mit.edu/courses/physics/8-01-physics-i-fall-2003/lecture-notes/binder13.pdf" I am a little puzzled on how the...