Blocks A and B were simultaneously immersed in the same liquid. Block A has 10 Ib and the area submerged in the liquid is 2.70 ft while Block B is 15 Ib and 4.30 ft’. If the frequency of oscillation of Block A is 5Hz. 1. What is the frequency of oscillation of Block B? 2. What is the specific weight of the liquid? 3. What is the specific gravity of the liquid?
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- A 3 m height container, sealed, is half filled by fluid. The density of the fluid isp = 1.5 Kg/m. What is the pressure at the bottom of the container?A pressure gage at elevation 6m at the side of the tank with liquid reads 90 kPa. Another gage at elevation of 4m reads of 110 kPa. Compute the specific weight of the liquid. A. 8 kN/m^3 B. 6 kN/m^3 C. 12 kN/m^3 D. 10 kN/m^3A cylindrical swimming pool has a radius of 2m and depth 1.3m. It is filled completey with salt water of specific gravity of 1.03. The atmospheris pressure is 1.013x10^5 Pa. A. Calculate the density of salt water B. calculate the pressure at the bottom of the pool given that the density of saltwater is 1.01x10^3kg/m^3. Given that g=10m/s^2
- لابد B A These four containers are filled with the same volume of water. Which has the highest pressure at the bottom? A B CA person is diving in a lake in the depth of h = 10.5 m. The density of the water is ρ = 1.0 x103 kg/m3. The pressure of the atmosphere is P0 = 1.0 x 105 Pa. The surface area of the top of the person's head is A = 0.0335 m2. a. Express the absolute pressure at the depth of h, P, in terms of P0, ρ, and h. b. Calculate the numerical value of P in Pa. c. Express the magnitude of the force exerted by water on the top of the person's head F at the depth h in terms of P and A. d. Calculate the numerical value of F in N.A cube of side length l and density ?c is immersed in a fluid of density ?fl. Let ℎ be the height of the cube that is immersed in the fluid. Then, a slight downward push is applied on the cube, making it oscillate up and down the fluid.A. Determine the period for small oscillations of the cube in terms of the given quantities.B. Is the period for small oscillations explicitly dependent on the densities of the fluid and the cube?
- A water tower sits on top of a hill and supplies water to citizens below. The difference in pressure between the water tower and the Dailey's house is 1.1x10^5 Pa, while the difference in pressure between the tower and the Stearns' house is 3.2x10^5 Pa. What is the difference in elevation between the two houses? A. 18m b. 21 m c. 15 m d. 13 m e. none of the aboveA Moving to another question will save this response. Quèstion 1 An open-tube manometer is used to measure the pressure in an oxygen tank. when the atmospherric pressure is 1,025 mbar. What is the absolute pressure (in Pa) in the tank if the height of the mercury in the open tube is 4.1 cm lower. (1bar = 1 x 105Pa Density of mercury is 13.6 x 10³kg/m3.) A Moving to another question will save this response.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 44 g and its apparent mass when submerged is 3.85 g (the bone is watertight). a. What mass, in grams, of water is displaced? b. What is the volume, in cubic centimeters, of the bone? c. What is the average density of the bone, in grams per cubic centimeter?