For the mechanism shown below, the lengths are given as OA = 0.5m, OO4 = 1m, and O4B = 2.5m. The angle between AO and OO4 is measured as 20° as shown. The crank OA is rotating at a constant angular speed of 2 rad/s counter-clockwise. Find the velocity and acceleration of the point B. [35pts]
B
ω2 = 20°
O4