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The mass of the boat is 8000kg.Remove the boat trailer from the vehicle and weigh the vehicle. Launch the boat or remove it from the trailer if it is small and weigh the trailer. Subtract the trailer and vehicle weight from the total, and you're left with the weight of the boat. Adding mass to the boat means it has to displace more water. That means the boat floats deeper.How a Leaky Boat Sinks The air in the hull begins to replace the water and the density of the entire boat exceeds the density of the water and sinks. Mass measurements in chemistry, biology, and other sciences are performed using balances. All scales use the acceleration of gravity to measure mass.Learn more about The mass here:-https://brainly.com/question/19385703#SPJ4