The rectangular steel plate of mass 12 kg is welded to the shaft with its plane tilted 1...

The rectangular steel plate of mass 12 kg is welded to the shaft with its plane tilted 15° from the plane (x-y) normal to the shaft axis. The shaft and plate are rotating about the fixed z-axis at the rate = 300 rev/min. Determine the angular momentum H₀ of the plate about the given axes and find its kinetic energy T.