testing testing 1,2,3 ........... :D

slogger 15 Apr 2008 06:03

$\\ \\ \mbox{Let the point be h,k from which ang momentum is to be calculated }\\ \\ L_1 = mvr_1\\ \\ =mv\frac{mh - k + f}{m^2 + 1} \\ \\ \mbox{similarly }\\ \\ L_2 = mv\frac{mh - k + g}{m^2 + 1}\\ \\ \mbox{Since they are moving in opposite directions,net ang momentum = }\\ \\ L = L_1 - L_2 \\ \\ =\frac{mv}{\sqrt(m^2 + 1} * (mh - k + f - (mh - k + g))\\ \\ =\frac{mv(f-g)}{\sqrt(m^2 + 1}\\ \\ =mvd \mbox{ which is constant }$