A piece of wood of mass 0.03 kg is dropped from the top of a building 100m high. At the same time, a bullet of mass 0.02 kg, is fired vertically upward with a velocity of 100 m/s from the ground. The bullet gets embedded in the wooden piece after striking it. Find the height to which the combination rises above the building before falling freely. ( g = 9.8 m/s2 )