# Centre of Mass of a Baton#

## Question Text#

Determine the position of the centre of mass of the baton shown in the figure below. The ball at the left end has a mass of $$m_1 =$$ 0.21 $$kg$$, the ball at the right end has a mass of $$m_3 =$$ 0.15 $$kg$$, and the bar has a mass of $$m_2 =$$ 0.15 $$kg$$. Take the point $$l_1 =$$ 1.3 $$m$$ to the left of the 0.21 $$kg$$ mass as your origin. The length from the center of the left ball to the center of the right ball is $$l_2 =$$ 1.2 $$m$$.

Please enter in a numeric value in $$m$$.