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- What is the diameter of an aluminum sphere with the same mass as 16 L of water? The densities of water and aluminum are 1000 kg/m3 and 2700 kg/m3 1. What is the mass of 16 L of water? 2. What is the diameter of an aluminum sphere with the mass you found in question 1?A cube 7.81 cm on each side is made of a metal alloy. After you drill a cylindrical hole 1.62 cm in diameter all the way through and perpendicular to one face, you find that the cube has a mass of 0.56 kg. What is the density of this metal? Use π=3.14 . Express your answers in kgm3 and in whole numbers (NOT SCIENTIFIC NOTATION).Question: Lets think about the pressure difference for bubbles in soda. If the bubble has a radius of 1 um and a surface tension of 0.072 N/m what is the pressure difference between the bubble and the soda? Give your answer in 3 significant figures. Solution: The pressure difference is Pa
- You have three objects of varying shapes and sizes: Object 1 is a rectangular block of tin. Object 2 is a cube of aluminum. Object 3 is a sphere of copper. a. the density of tin is 5.75g/cm2. What is the mass of object 1 in kg if the rectangular block has a volume of 1.34L? b. what is the volume in cubic inches of object 2 if the cube of aluminum 7.58 inches on a side? c. what is the mass in kg of object 2? the density of aluminum is 2.70g/cm3 d. what is the volume in cm3 of object 3 if the sphere of copper has a diameter 8.62cm? the volume of the sphere is 4 {pi}^3/3 e. what is the mass in kg of object 3? Copper has a density of 8.96g/cm3Solve C D E please A barometer is used to measure air pressure. It is made of a tube of mercury (density of 13500 kg/m3) in an open container. The top of the tube is sealed and contains a vacuum. Thebottom is open to the air.During a storm, the mercury is observed to have a height of h = 0.70m. The Hindenburg was an airship. It had a very large hydrogen-filled balloon, with a volume of 140 000 m3. Below the balloonwere heavy engines and room for cargo.The density of air is 1.20 kg/m3. The density of hydrogen is 0.09kg/m3.c) What was the buoyant force on the balloon?d) What was the weight force of the hydrogen?e) If the balloon didn’t accelerate up or down, what was the total mass of the engines and cargo?Assume that the weight of the balloon fabric is negligible.Answer only no. 2 with complete solution. Thank you 1. A piece of aluminum is weighed with an equal arm laboratory balance. When the aluminum is in air, the balancing mass is 108 g. When it is immersed in water and in kerosene, the measured balancing masses are 68 and 78 g, respectively. Find the densities of aluminum and kerosene. 2. If 72% of the volume of an object less dense than water is below the water surface, what is the object's specific gravity?
- A container with volume 1.64 L is initially evacuated. Then it is filled with 0.246 g of N₂. Assume that the pressure of the gas low enough for the gas to obey the ideal-gas law to a high degree of accuracy. ▼ Part A If the root-mean-square speed of the gas molecules is 182 m/s, what is the pressure of the gas? Express your answer in pascals. of Park Pardo for Part redo foart A refor Part A keyboard shortcuts for Part A help for Part A p= Submit Request Answer PaJuno is a construction worker. He has found a scrap piece of construction aluminum foil. The sheet has the dimensions of 1.00ft x 5.00ft. Juno knows the 3 aluminum density is 2. 70g/cm. He weighs it and finds its mass is 20.1 grams. Help Juno figure out how thick the sheet is. write your answer in millimeters and with the correct amount of significant figures.The standard kilogram is a platinum-iridium cylinder 39 mm in height and 39 mm in diameter. What is the density of the material?
- An iron casting containing a number of cavities weighs 5.75E+3 N in air and 4.01E+3N in water. What is the total volume of all the cavities in the casting? The density of iron (that is, a sample with no cavities) is 7.87 g/cm3. Number i UnitsIn the figure below, what is the pressure of the gas in the flask (in atm) if the barometer reads 693.4 torr? (Ah = 8.37 cm) oo Round your answer to 4 significant figures. Open end Gas Ah Note: Reference the SI prefixes and Conversion factors for non-SI units tables for additional information. Pressure = 0.9123 atm 0 x10 X olo Ar BA sphygmomanometer is a device used to measure blood pressure, typically consisting of an inflatable cuff and a manometer used to measure air pressure in the cuff. In a mercury sphygmomanometer, blood pressure is related to the difference in heights between two columns of mercury. The mercury sphygmomanometer shown in the figure below contains air at the cuff pressure P. Po The difference in mercury heights between the left tube and the right tube is 102 mmHg systolic blood pressure Pgauge = 0.102 m, a normal systolic reading. What is the gauge in pascals? The density of mercury is h p = 13.6 x 103 kg/m³ and the ambient pressure is Po 1.01 x 105 Pa. %3D