# Homework Help: Help mechanics

1. Feb 14, 2010

### nna

I hope somebody can help me.. this is the problem I have to proof that if A is a constant vector then I can write its derivate as dA/dt = $$\omega$$ x A.. where $$\omega$$ is a vector.

2. Feb 14, 2010

### tiny-tim

Last edited by a moderator: Apr 24, 2017