Which of the following is the acceleration of the centroid of the plate?
A) 32.0 m/s²
B) 22.2 m/s²
C) 0 m/s²
D) 35 m/s²
Which of the following is the angular acceleration of the plate?
A) 5.20 rad/s² clockwise
B) 5.20 rad/s² counterclockwise
C) 1.184 rad/s² clockwise
D) 4.74 rad/s² clockwise

A cat with mass 4.5 kg and a mouse with 0.03 kg are standing on top of a 2 kg thin semicircular plate as shown below. The weights of the cat and mouse are concentrated loads applied at points T and J respectively. The plate is pinned at point A and I semicircular plate = (mr)/2. 300TT mm 100 mm A 700 mm 300T mm 400 mm