A rigid massless rod of length 3 has two masses attached at each end as shown in the figure. The rod is pivoted at point P on the horizontal axis (see figure). When released from initial horizontal position, its instantaneous angular acceleration will be

A rigid massless rod of length 3 has two masses attached at each end

1.	A rigid massless rod of length 3 has two masses attached at each end as shown in the figure. The rod is pivoted at point P on the horizontal axis (see figure). When released from initial horizontal position, its instantaneous angular acceleration will be
A.	\(\frac{g}{{13l}}\)
B.	\(\frac{g}{{2l}}\)
C.	\(\frac{{7g}}{{3l}}\)
D.	\(\frac{g}{{3l}}\)
Answer» B. \(\frac{g}{{2l}}\)