Recent content by RolloJarvis

again, thanks a lot

Thanks a lot. I was in a rush and I am pretty stressed at the moment as its only a few days before exams, the [tex]\epsilon [\tex]was supposed to read [tex]\epsilon_{jlk}[\tex]. How is it okay to swap the order of indicies on the delta funtion as you have done: i.e. [tex]\delta_{ij} =...

Homework Statement evaluate \epsilon_{ijk}\epsilon_{ijk} where \epsilon is is the antisymetric levi-civita symbol in 3D Homework Equations determinant of deltas = product of levi-civita -> would take ages to write out. The Attempt at a Solution...

of course! that makes a lot more sense with the picture, out of curiosity, what program did you use to draw the diagram? I do a lot of lab reports and a good drawing package would be very useful. I will post a new attempt at an answer when i get the chance. in regards to the back half...

Homework Statement Find the volume of curved wedge that is cut from a cylinder of radius 3m by two planes. One plane perpendicular to the axis of the cylinder, the other plane crosses the first plane at a 45 degree angle at the centre of the cylinder. (Hint: let the line of intersection of the...