Question 4a The uniform slender bar of mass= 5 kg and length 1 = 2m has no angular velocity as end A strikes the ground against the stop with no rebound. v = 10 m/s with an angle = 25 as shown just before the strike. What is the magnitude of the angular velocity of the bar right after the strike? [10 marks] g 12 V G 45 1 mg Question 4b Given an initial velocity v = 10 m/s just before striking the corner, will the bar rotate about A to the vertical position? Show all your work to prove either "yes" or "no" to the above question. [10 marks] 2 g V A 45 12 B ground 12 G 45 149.50 B ground