A piece of metal weighs 100 N in air and 80 N when fully submerged in water. a. What is the density of the metal? b. If the same piece is submerged in oil, its weight is 85 N. What is the density of oil?
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![10. A piece of metal weighs 100 N in air and 80 N when fully submerged in water.
a. What is the density of the metal?
b. If the same piece is submerged in oil, its weight is 85 N. What is the density of oil?
[4995 kg/m³, 749.54 kg/m³]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5a6367b3-2fd2-468c-83b8-d1e762900a2f%2F5b3c5eee-6154-4feb-a9cd-526d07e84dea%2Fuor3llg_processed.jpeg&w=3840&q=75)
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- All five blocks are submerged in water with density 1000 kg/m3. Match the answers with questions. Use g = 10 m/s3 What is the magnitude of the weight of block C? What is the magnitude of the buoyant force on block C? What is the magnitude of the normal force on block C? What is the net force on block C? A. 0.2 N B. 3.0 N C. 2.0 N D. none of the given E. 0 F. 4.0 N G. 0.4 N H. 0.1 N I. 1.0 N J. 0.3 N3. A rectangular block of volume Vo is placed in a tank of water and sinks to the bottom. Describe the buoyant force acting on this block. What could be a possible density of the block? a. The buoyant force equals the weight of a volume of water of Vo, 5.00 grams/cm3 b. No buoyant force acts on the block, 0.0500 grams/cm3 c. The buoyant force equals the weight of a volume of water of Vo, 0.450 grams/cm3 d. The buoyant force equals the weight of a volume of water of Vo, 0.100 grams/cm3 e. The buoyant force equals the weight of a volume of water of one-half of Vo, 0.333 grams/cm35. You are designing a diving bell to withstand the pressure of seawater at a depth of 250 m. a. What is the gauge pressure at that depth? b. What is the net force due to the water outside and the air inside the bell on a circular glass window 30.0 cm in diameter if there is 1.00 atm of pressure inside the bell.
- All five blocks are submerged in water with density 1000 kg/m3. Match the answers with questions. Use g = 10 m/s3. What is the magnitude of the weight of block C? What is the magnitude of the buoyant force on block C? What is the magnitude of the normal force on block C? What is the net force on block C? A. 0.4 N B. none of the given C. 0.3 N D. 3.0 N E. 0 F. 4.0 N G. 1.0 N H. 0.1 N I. 0.2 N J.…An incompressible box is completely submerged in water at a depth of 60m. The volume of the box is 8L and it has a mass of 30 kg. The buoyant force on the box is 70N.. If the box is brought to a depth of 90m, stae what the mass of the box ,volume of the box and buoyant force on the box will be? Choose one correct answer with the correct units of measure. A. Mass = 70kg Volume = 8L Buoyant force = 30N B. Mass = 30kg Volume = 8 m3 Bouyant force = 70 pound C. Mass = 30kg volume = 8L Buoyant force =70N D. Mass = 8 kg Volume = 30L Buoyant force = 70NBird bones have air pockets in them to reduce their weight—this also gives them an average density significantly less than that of the bones of other animals. Suppose an ornithologist weighs a bird bone in air and in water and finds its mass is 45.0 g and its apparent mass when submerged is 3.60 g (the bone is water light) a. What mass of water is displaced? b. What is the volume of the bone? c. What is its average density?
- A scientist is calculating the density of an ore sample. The scien- tist measures that the ore sample weighs 22.4 N in air. When the sample is suspended by a thin light cord and totally immersed in water, the tension in the cord is 14.2 N. What is the density of the ore sample that the scientist calculates. You can assume that any buoyant force from air is negligible.8. A rock is suspended by a lightweight string. When the rock is in the air, the tension in the string is 39.2 N. When the rock is totally submerged in water, the tension is 28.4 N. When the rock is totally submerged in an unknown liquid, the tension is 21.5 N. What is the density of the unknown liquid?What is the buoyant force of an object with a volume of 0.5 m3 that is fully submerged in water? The density of water is 1000 kg/m3. O 500 N O 420 N 4,900 N 9,800 N