Floating at a mercury-oil interface is a block of steel (SG =7.5) as shown. The block is 1.8 m long into the page. What is the ratio of the dimensions a and b for this condition? 퐁 H₂0 Kim. Steel. a
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- For the next two items: A playroom has dimensions 3700 mm x 4300 mm x 2500 mm. How much does the air weigh in the room if the air pressure is 1.0 atm? O 402 N 472 N O 390 N 48 NIn an Archimides experiment, a group of students managed to take the following data on the mass of various aluminum cylinders in air, water, and alcohol. With the following data, answer the following table: Cylinder (Al) Length (cm) Diameter Air Water (gr) Alcohol (gr) (cm) (gr) 1.3 1.88 9.82 6.36 6.83 2 2.63 1.87 19.68 12.59 13.47 3.83 1.87 28.98 18.43 19.73 5.09 1.88 38.47 24.4 26.15 5 7.83 1.92 64.28 41.99 43.27 Cylinder (Al) % of mistake Specific density of solid (water) Theoretical solid (water) specific density 2 3 Cylinder (Al) Specific density of solid (alcohol) Theoretical solid % of mistake (alcohol) specific density 2 3 4You 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/cm3
- An airplane passenger has a volume V1 of air in his stomach just before the plane takes off from a sea-level airport. a. What volume will this quantity of air have at cruising altitude at the same temperature (body temperature), in terms of V1, the pressure on the ground P1, and the cabin pressure at cruising altitude P2? b. What is this volume, in cubic centimeters, if the initial volume is 95 cm3 and the cabin pressure drops to 7.50 × 104 Pa when the plane is at cruising altitude?A woman of m = 58 kg stands on the ice. The contact area between her skate and the ice is A = 0.0047 m2. a. Express the force that the person exerts on the ice, F, in terms of m and g. You do not need to include the force of the column of air above her.Which of the following is true for the situation below? po is the atmospheric pressure, p is the density of the mercury. Pgas - Mercury 16 cm 6 ст Pgas = PO Pgas + Pg(0.06m) = PO Pgas = Po + pg(0.10m) Pgas = Po + pg(0.16m) O Pgas + Pg(0.10m) = Po %3D pgas + pg(0.16m) = Po Pgas = Po + pg(0.06m)
- Answer question a b and c, if possiblePart A - A cube of volume 3.0 ×10-3 m3 (3.0 L) is placed on a scale in air. The scale reads 267 N. What is the material? Answers: Copper, ρ = 8.9 × 103 kg/m3 Aluminum, ρ = 2.7 × 103 kg/m3 Gold, ρ = 19 × 103 kg/m3 Lead, ρ = 11 × 103 kg/m3 Part B - An aluminum block of volume 200 × 10-6 m3 is held by a string at rest in oil as shown. ρAL = 2700 kg/m3, ρoil = 900 kg/m3, and g = 10 m/s2. Now the same block is placed in water, still completely submerged. Water is more dense than oil. The net force on the block will ______. Answers: decrease increase stay the same Part C - Now the same block is placed in water, still completely submerged. Water is more dense than oil. The buoyant force on the block will ______. Answers: stay the same decrease increase Part D - Now the same block is placed in water, still…