After water becomes ice, its volume will increase by 1 / 10. What is the volume of 3.3 cubic meters of ice after melting

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• 1. What is the mass of water and the volume of water after all 1m3 ice is melted into water. (the density of ice is 0.9 × 103kg / m3)
• 2. Take out a 500cm3 ice cube from the refrigerator and melt it in the outdoor sunlight. After all the ice cubes are melted into water, the quality of the water is 100%______ And the volume is______ ．
• 3. How to make ice in the refrigerator?
• 4. The volume of ice is 10dm ^ 3, and the mass is () kg. After melting into water, the mass is () kg, and the volume becomes () m ^ 3
• 5. The mass of ice is 9kg, the density is 0.9 × 10 ~ (- 179); kg / M ~ (- 179). (1) calculate the volume of ice. (2) calculate the mass of water if 3DM ~ (- 179); of ice melts into water after heat absorption (1) Can we use scientific counting method to calculate the results of the test?
• 6. Put a solid cubic wood block with a length of 10cm on one side into the water, overflow 600g of water from the cup, and calculate the buoyancy, gravity and density of the wood block
• 7. The volume of 8 square decimeters of cube aluminum block in the area of 1.5 square decimeters of horizontal desktop, find the aluminum block on the desktop pressure is how much The best formula is the same
• 8. There is a cube aluminum block with a mass of 2700g. Put it on the horizontal table with an area of 0.5m2, and calculate the pressure of the aluminum block on the horizontal table (known density of aluminum block is 2.7 * 10 ^ 3kg / m3) G please take 9.8n/kg
• 9. The cube iron block with a mass of 7.9kg is placed on the horizontal table with an area of 0.5m2. What is the pressure on the horizontal table? V iron = m / ρ = 7.9kg/7.9 × 103kg / m3 = 0.001m3, so the side length of iron block is 0.1M, and the bottom area s = 0.01m2 So s = 0.01m2, P = mg / S = (7.9kg × 10N / kg) / 0.01m2 = 7900pa Because the area of the table is larger than the bottom area of the iron block, the contact area is the bottom area of the iron block
• 10. A cube iron block with a mass of 7.8kg is placed in the center of a horizontal tabletop with an area of 0.5m & sup2;, and the following questions are asked: (1) how much PA is the pressure of the iron block on the tabletop? (2) how much PA is the pressure of the iron block on the tabletop if a force of 12n is applied on the iron block along the vertical direction? (ρ iron = 7.8 × 10 & sup3; kg / M & sup3;
• 11. When it floats on the surface of water, half of its volume is immersed in water, and the density of water is p A. The density p / 2 B and buoyancy of the object are mg C. The density of the object is m / a cubic D, and the buoyancy of the object is PGA cubic D Please explain why,
• 12. The density is 0.5 × 10 cubic kg / M and the volume is 2m. When it floats on the water surface and is still, the gravity of the block is calculated
• 13. What is the density of an object I know the formula, but I don't know how to calculate it. How to calculate it is different from the answer. How to multiply (divide) numbers? The unit is right!
• 14. In addition to v = m / density, what else is the volume of an object?
• 15. When two metals with the same volume (density P1 and P2) are cast into alloy, what is the alloy density?
• 16. The volume of the hollow aluminum ball is 30cm3, the mass is 27g, and the total mass is 43g after filling with a certain liquid?
• 17. The volume of the hollow aluminum ball is 30 cubic centimeter, the mass is 27 grams, and the total mass is 43 grams after filling with a certain liquid. The density of the liquid is 2.7 * 10
• 18. The volume of the hollow aluminum ball is 30cm3, the mass is 27g, and the total mass is 43g after filling with a certain liquid?
• 19. Haibao is the mascot of 2010 Shanghai World Expo, as shown in the picture "Haibao" is the mascot of the 2010 Shanghai World Expo, as shown in the picture. Among the various "Haibao" ornamented on the streets of Shanghai, one is of uniform and solid material, with a volume of 2M and a density of 1.5 × 10 ^ 3kg / m ^ 3 and a contact area of 1m with the horizontal ground; Then (1) what is the pressure of this "Haibao" on the ground? (2) what is the pressure of this "Haibao" on the ground? (g = 10N / kg)
• 20. In order to measure 50g alcohol with density of 0.8g/cm3 at one time, Xiao Ming should choose the best one a.10ml,0.5ml b.50ml,1ml c.100ml,1ml d250ml,5ml Which is it?