The crane boom OA rotates about the z axis with a constant angular velocity of ω1= 0.15 ra...

The crane boom OA rotates about the z axis with a constant angular velocity of ω1= 0.15 rad/s, while it is rotating downward with a constant angular velocity of ω2= 0.2 rad/s. Determine the velocity and acceleration of point A located at the end of the boom at the instant shown.