A rectangular boat (4.5 meter long, 2.0 meter wide and 0.3 meter high), is overloaded such that the water level is just 1.0 c. A rectangular boat (4.5 meter long, 2.0 meter wide and 0.3 meter high), is overloaded such that the water level is just 1.0 centimeter below the top of the boat. Determine the combined mass of the people in the boat?