7 - For the given fluid heights and specific gravities, calculate the pressure difference AP = PB - PA. Glycerin SG = 1.26 Oil SG=0.88 Water SG=1.0 55 cm 10 cm Mercury SG= 13.5 20 cm 12 cm
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- < The mass of a piece of ice is 0.850 kg. density of water = 1.00 x 103 kg/m³, and density of ice = 917 kg/m³. 2. What is the buoyant force on the ice floating freely in liquid water? Enter a positive answer if the buoyant force is upward and a negative answer if the buoyant force is downward. N Question 2 (of 8)Container partially filled with a known amount of fluid that has density = 921kg/m³. When a solid object places into container, the fluid level raises by = .665 Litres. What is the magnitude of buoyant force (N) acting on the solid object? 1m³ =1000 Litres28. A 6.00 [kg] aluminum metal is suspended in a rope and partially immersed in water (Pwater = 1000 [kg/m³]). If the tension in the rope is 4.55 [N], what volume of aluminum was immersed? -3 A. 5.54 x 10-³ [m³] C. 5.54 [m³] B. 6.46 × 10−³ [m³] D. 6.46 [m³]
- 8 A pipe of cross sectional area 2.34 m2 narrows while splitting into three pipes, each of cross-sectional area 0.8 m². If the fluid is traveling at 2.1 m/s in the larger pipe, calculate the fluid speed in each of the narrower pipes. S/wi 直0 SNSY f5 因 C /口 f8 F12 E3 61 OL} E3 %24 & 7. 6. YTime left 1:3944 The figure below shows a fluid inside a cubical container of side 1 m. If the pressures inside and outside the container is as shown in the figure, what is the net force on one wall of the container of tion Pout 1 atm Pins 5 atm %3D a) 3.039 x 105 (N) b) 4. 052 x 105 (N) c) 5.065 x 105 (N) d) 6.078 x 105 (N) O 1. C O 2. b O 3. a O 4. dhelp A piece of wood floats in water. It measures 49 cm x 12 cm x 11 cm, and has a density of 500 kg/m3. Find the percent of the wood that's underwater, if the density of water is 1000 kg/m3 Hint: Answer should be between 0 and 100 % Buoyancy problem: draw the wood and the forces on it - namely gravity pulling down and the buoyant force of the water pushing up ∑F = 0 the buoyant force = Fb = density of fluid x g x Volume underwater = density of fluid x g x percent * total volume solve for percent
- the aqueous humor in a person's eye is exerting a force of 0.469 N on the 1.21 cm^2 area of the cornea a) what pressure is this in mm Hg? b) is this value within the normal range for pressures in the eye? Yes or no1a) Calculate the mass of a solid gold rectangular bar that has dimensions lwh = 4.80 cm ✕ 14.0 cm ✕ 23.0 cm. (The density of gold is 19.3 ✕ 103 kg/m3.) kg = 1b) The four tires of an automobile are inflated to a gauge pressure of 2.1 105 Pa. Each tire has an area of 0.024 m2 in contact with the ground. Determine the weight of the automobile. N =A spherical weather balloon is filled with hydrogen until its radius is 4.30 m. Its total mass including the instruments it carries is 18.0 kg. (a) Find the buoyant force acting on the balloon, assuming the density of air is 1.29 kg/m³. 4.21 kN (b) What is the net force acting on the balloon and its instruments after the balloon is released from the ground? X kN (c) Why does the radius of the balloon tend to increase as it rises to higher altitude? Because the external pressure decreases v with increasing altitude.