(c) A piece of Alloy has a measured mass of 0.075Kg in air and 0.062Kg when immersed in water (See the shown Figure). Find its volume and its density. Air Water
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- A glass tube of internal diameter 3 mm is immersed in mercury. The angle of contact of mercury with glass can be taken as 130°. What will be the level of Hg in the tube relative to the free surface of the liquid outside the tube? Take surface tension of liquid = 0.48 N/m.Consider a stack of six pancakes. Each pancake is made of 1/4 cup (approximately 60 mL) of batter, and the density of batter is 1 g/cm3. Consider the pancake at the bottom of the stack. What is the total weight of pancakes sitting on top of it? Express your answer in kilograms, but without entering the unit. This is not a lot of weight. Assuming that pancakes have an elastic modulus of 20 kPa, that the area of each pancake is identical (approximately 80 ), and that the stack of pancakes has a height of 55mm, compute how much the single pancake at the bottom of the stack is compressed by the weight of the pancakes on top of it. This is a very small compression, so instead you place a 4 kg weight on the pancakes. Now you see that the stack noticeably compresses. Consider the stack of pancakes as one aggregate unit with a surface area of approximately 80 cm2. What is the stress on the pancakes? Express your answer in Pascals, but without including the unit. Your observation of the normal…A glass tube of internal diameter 3mm is immersed in mercury. The angle of contact of mercury with glass can be taken as 130°. What will be the level of Hg in the tube relative to the free surface of the liquid outside the tube? Take surface tension of liquid = 0.48 N/m.
- For your science exhibit, you want to make a block of wood float at the interface between a layer of oil of unknown density Poil, and water (pwater = 1000 kg/m3 inside a container as shown. The density of the wood is pwood = 800 kg/m3. What must be the density of the oil so that only 30.0 % of the wood is submerged in water?A 3 ft high 4.653 ft diameter cylinder tank contains 0.15 slug of gas at 80°F and gauge pressure of 47 in Hg (a) what is the temperature in °C and °R and K? (b) what is the gas specific volume and density? (c) what is the absolute pressure in Psi and in kPa?A cylindrical bucket 30 cm in diameter and 50 cm high weighing 25 N contains oil (SG = 0.80) to a depth of 20 cm.(a)What is the weight (N) of oil in the cylinder? (b)What is the buoyant force, FB(N)?(c)When placed in water, what will be the submerged depth (cm) of the bucket?
- The wolrd's oceans contain approximately 1.35x1021L of water. what is this volume in km3?A solid ball is floating at a boundary between water and mercury, with 56 % of the ball volume in water. Ball diameter is 1.2 m, water density is 1000 kg/m3 and mercury density is 13560 kg/m3. What is the density of the ball? Round off the answer to an integer in kg/m3, but enter the answer without the unit.Calculate the maximum diameter (mm) of a steel ball that would float on water at 15°C. At 15°C, σ = 0.0741 N/m. Take density of steel = 7763 kg/m3.
- What height of in column of mercury (Hg) is equivalent to a pressure of 100 psig? The density of mercury is 848 ??/??^3?Your professor at HTU asked you to explain Archimedes topic to your classmates at one of the classes as a homework. During the class, one of the students asked the following question. A ring weighs 83.327×10-4 N in air and 80.33×10-4 N when submerged in water: What is the volume of the ring? What is the density of the ring? What is the ring made of?A hollow steel sphere has outer radius Ro = 0.5 m. What is the inner radius that would make the sphere neutrally stable? Does it matter if the inside of the sphere is flled with air or not (i.e., a vacuum)?