The mass center G of the slender bar of mass 0.8 kg and length 0.4 m is falling vertical...

The mass center G of the slender bar of mass 0.8 kg and length 0.4 m is falling vertically with a velocity v = 2 m/s at the instant depicted. Calculate the angular momentum of the bar about point O if the angular velocity of the bar is (a) clockwise and (b) counterclockwise.