HW9_prob4(b) - L d L dt = ( L x dL x dt + L y dL y dt + L z...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
HW12 Problem 4(b) Start with the fundamental equation governing the rate of change of angular momentum from Chapter 1 or Chapter 5 d L dt = N . (1) Next, take the dot product of Eq.(1) with L to get L · d L dt = L · N . (2) Now expand the left dot product of Eq.(2) as
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: L d L dt = ( L x dL x dt + L y dL y dt + L z dL z dt ) = 1 2 d dt ( L 2 x + L 2 y + L 2 z ) = 1 2 dL 2 dt , (3) to obtain the desired result, 1 2 dL 2 dt = L N . (4) 1...
View Full Document

This note was uploaded on 12/19/2010 for the course PHYSICS ph 409 taught by Professor Wilemski during the Fall '10 term at Missouri S&T.

Ask a homework question - tutors are online