A rectangular plastic container has a width of 6.97 m, a length of 10.39 m, and a height of 2.32 m. If the container is placed in freshwater, it floats in such a way that 0.3 m of its height does not submerge in freshwater (mass density
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- Bird 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 43.0 g and its apparent mass when submerged is 3.60 g (the bone is watertight). What mass of water is displaced?An iceberg with a weight of 90000N floats on the surface of the north atlantic ocean and is partially submerged in water what is the volume of the displaced water ? (Density of ocean water is 1100kg/m^3A fisherman and his buddy climb into a flat-bottomed aluminum fishing boat has a mass of 60 kg and an area of 4.0 m2. When it is launched into the water (density 1,000 kg/m3), the bottom of the boat sinks 0.015m below the surface of the water. If they, along with their gear, have a mass of 300 kg, how much farther (in m) does the boat sink into the water?
- A hollow plastic sphere is held below the surface of a lake by a cord anchored to the bottom of the lake. The sphere has a volume of 0.650 m3 and the tension in the rope is 900 N. (a) Calculate the force of pushing water on the sphere. (b) What is the mass of the sphere? (c) The cord breaks and the sphere rises to the surface. When the sphere stops, what fraction of its volume will be submerged?Bird 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 49.3 g and its apparent mass when submerged is 4.06 g (the bone is watertight). (a) What mass (in g) of water is displaced? (b) What is the volume (in cm3) of the bone? (c) What is its average density (in g/cm3)?A cube of wood having an edge dimension of 18.7 cm and a density of 651 kg/m° floats on water. (a) What is the distance from the horizontal top surface of the cube to the water level? cm (b) What mass of lead should be placed on the cube so that the top of the cube will be just level with the water surface? kg
- A block of wood has a mass of 3.71 kg and a density of 515 kg/m3. It is to be loaded with lead (1.13 × 104 kg/m3) so that it will float in water with 0.803 of its volume submerged. What mass of lead is needed if the lead is attached to (a) the top of the wood and (b) the bottom of the wood? (a) Number Type your answer for part (a) here Units Choose your answer for part (a) here (b) Number Type your answer for part (b) here Units Choose your answer for part (b) here25,708 5. A lead block is suspended by means of a string from the underside of a 9.00 kg block of wood of density of 724 kg/m³. If the upper surface of the wood is just level with the water, what is the mass of the lead block? (The density of lead is 11340 kg/m³) EL E 27 R 888 F4 J FO T G kg B tv e MacBook Air 7 N 8 M K zoom by mi 04 M vawes or roe puffer d