The system is released from rest when the angle $=90$deg. Determine the angular velocity of the uniform slender bar when $=60$deg.

Use the values:

$m1=1\mathrm{.}01kg.$

$m2=3\mathrm{.}67kg$

$b=0\mathrm{.}3m$

Give your answer to two decimal places; use $9\mathrm{.}81\frac{m}{s^2}$ forg.