wikiHow Calculating Mass Practice Problems 1. A cube-shaped object has a volume of 27 cubic meters and a density of 10,000 kilograms per cubic meter. What is its mass? 2. A sphere has a radius of 5 meters and a density of 2,000 kilograms per cubic meter. What is its mass? 3. An irregularly shaped object has a volume of 0.5 cubic meters and a density of 1,500 kilograms per cubic meter. What is its mass? 4. A cylindrical tank has a radius of 2 meters and a height of 10 meters. If the tank is filled with water, which has a density of 1,000 kilograms per cubic meter, what is its mass? 5. A cube-shaped box has a volume of 1 cubic meter and a mass of 500 kilograms. What is its density? 6. A rectangular prism has a length of 3 meters, a width of 2 meters, and a height of 4 meters. If the object has a mass of 6,000 kilograms, what is its density? 7. A sphere has a diameter of 10 meters and a density of 5,000 kilograms per cubic meter. What is its mass? 8. An irregularly shaped object has a mass of 1,000 kilograms and a density of 1,200 kilograms per cubic meter. What is its volume? 9. A cylindrical container has a radius of 1 meter and a height of 5 meters. If the container is filled with oil, which has a density of 900 kilograms per cubic meter, what is its mass? 10. A cube-shaped object has a mass of 2,000 kilograms and a density of 8,000 kilograms per cubic meter. What is its volume? 11. A rectangular prism has a length of 5 meters, a width of 2 meters, and a height of 3 meters. If the object has a density of 500 kilograms per cubic meter, what is its mass? 12. A sphere has a diameter of 8 meters and a mass of 20,000 kilograms. What is its density? 13. An irregularly shaped object has a mass of 500 kilograms and a volume of 0.4 cubic meters. What is its density? 14. A cylindrical container has a radius of 0.5 meters and a height of 2 meters. If the container is filled with sand, which has a density of 1,500 kilograms per cubic meter, what is its mass? 15. A cube-shaped object has a mass of 6,000 kilograms and a volume of 3 cubic meters. What is its density? 16. A rectangular prism has a length of 4 meters, a width of 2 meters, and a height of 1 meter. If the object has a mass of 1,000 kilograms, what is its density? 17. A sphere has a radius of 2 meters and a mass of 10,000 kilograms. What is its density? 18. An irregularly shaped object has a mass of 800 kilograms and a density of 1,600 kilograms per cubic meter. What is its volume? 19. A cylindrical container has a radius of 0.75 meters and a height of 3 meters. If the container is filled with water, which has a density of 1,000 kilograms per cubic meter, what is its mass? 20. A cube-shaped object has a density of 4,000 kilograms per cubic meter and a volume of 8 cubic meters. What is its mass? Page