A cube of dimension L and sp. gr. 0.82 floats horizontally in water. Is the cube stable? Why? Show how.
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Q: QUESTION # 2 A brass cube 6 in on a side weighs 67 Ib. We want to hold this cube in equilibrium…
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Q: Problem 18- A brass cube 6 in on a side weighs 67lb. We want to hold this cube in equilibrium under…
A: The side of cube = 6 in = 0.5 ft The volume of cube =Vc = 0.5×0.5×0.5 = 0.125 ft^3 The weight of…
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A cube of dimension L and sp. gr. 0.82 floats horizontally in water. Is the cube stable? Why? Show how.
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- Determine the specific gravity of the following materials: gold ( = 1208 lb/ft3), platinum ( = 1340 lb/ft3), silver ( = 654 lb/ft3), sand ( = 94.6 lb/ft3), freshly fallen snow ( = 31 lb/ft3), tar( = 75 lb/ft3), hard rubber ( = 74.4 lb/ft3).A structural member with a rectangular cross section as shown in the accompanying figure is used to support a load of 2500 N. What type of material do you recommend be used to carry the load safely? Base your calculations on the yield strength and a factor of safety of 2.0.A liquid has a SG of 7.50. What is its specific weight in pound force per cube foot?
- Problem 18- A brass cube 6 in on a side weighs 67lb. We want to hold this cube in equilibrium under water by attaching a light foam buoy to it. If the foam weighs 4.5lb/ft^3, what is the minimum required volume of the buoy?a.) 1.02 ft^3b.) 2.02 ft^3c.) 3.02 ft^3d.) 4.02 ft^3e.) 5.02 ft^3f.) 6.02 ft^3A stone weighs 4N when immersed in water and 5N when immersed in alcohol having a specific gravity of 0.80. Unit weight of water is 9.79kN/m^3. What is the volume of the stone in m^3?The cross section of the rim of an iron flywheel (S+3) ft. In diameter is a triangle 12" by 3". How much does the rim weigh? Note: Iron weighs 450lb/cu ft. S=10
- ANSWERS IN 4TH DECIMAL PLACES A pyramid whose altitude is 1.20 meters weighs 2.70 kN. At what distance from its vertex must it be cut by a plane parallel to its base so that the two solids of equal weight will be formed.A solid brass sphere of volume 0.305 m3is dropped in an ocean, where water pressure is 2 x 107 N/m2. The bulk modulus of water is 6.1 x 1010 N/m2. What is the change in volume of the sphere?A stone weighs 4N when immersed in water and 5N when immersed in alcohol having a specific gravity of 0.80. Unit weight of water is 9.79kN/m^3. What is the weight of the stone?
- Panel AB is circular and retains a liquid with specific gravity of 1.6. It has a width of 4 feet perpendicular to the paper. It has a radius of 11 feet from its center as seen in the figure. If h = 5 feet, and a = 4 feet, determine the total hydrostatic force acting on panel AB in pounds. ANSWER : 14,359.153Determine the Bulk modulus of elasticity of a liquid, which is compressed in a cylinder from a volume of 0.0125 m3 at 80 N/cm2 pressure to a volume of 0.124 m3 at 150 N/cm2 pressure ?2 only and answer 3 decimal A closed empty steel cylindrical tank 2m in diameter 3m high is to be used as a buoy in fresh water. (1) What would be the volume of the concrete cube placed inside the tank if the tank would be submerged 2m into the water? The steel tank weighs 500kg. Use Sconc. = 2.4. (2) what is the weight of the concrete cube?