Question: A circular plate of radius a and mass m supported by a ball-and-socket joint at point A is rotating about the y axis with a

A circular plate of radius a and mass m supported by a ball-and-socket joint at point A is rotating about the y axis with a constant angular velocity ω = ω0j when an obstruction is suddenly introduced at point B in the xy plane. Assuming the impact at point B to be perfectly plastic (e = 0), determine immediately after the impact

(a) The angular velocity of the plate,

(b) The velocity of its mass center G.

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