Problem 1: A length of clear plastic tubing is bent into a vertical U, as shown in the figure, and two liquids that do not mix are poured into it. Liquid A, with density PA continues from the left column into the right. Its height is di in the left column and d, in the right column. Liquid B, with density PB. sits on top of liquid A in the right column. Its height is d; above liquid A. A
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- SP5. A pipe with a circular cross section has a diameter of 9 cm. It narrows at one point to a diameter of 5.2 cm. The pipe is carrying a steady stream of water that completely fills the pipe and is moving with a speed of 1.6 m/s in the wider portion. a. What are the cross-sectional areas of the wide and nar- row portions of the pipe? (A = ar", and the radius is half the diameter.) b. What is the speed of the water in the narrow portion of the pipe? c. Is the pressure in the narrow portion of the pipe greater than, less than, or equal to the pressure in the wider portion? Explain.1. If an immersed object displaces 8 N of fluid, what is the buoyant force on the block?EXPLAIN. 2. How should you place a screw on a table such that it exerts the smallest pressure against it?.EXPLAIN WHY. 3. An object with a volume of 100cm^3 is submerged in a swimming pool. What is the volumeof water displaced?. Why?. 4. You apply a flame to 1 L of water for a certain time and its temperature rises by 2°C. If youapply the same flame for the same time to 2L of water, by how much does its temperaturedecrease? . Why? 5. Which has greater kinetic energy? A) a car traveling at 30 km/hr. B) a car of half the mass traveling at 60 km/hr C) both the same. D) need more information EXPLAIN. 6. A melon is projected into the air with 100 J of kinetic energy in the presence of air resistance.When it returns to its initial level its kinetic energy isA) less than 100 J.B) more than 100 J.C) 100 J.D) need more informationEXPLAIN 7. Two identical golf carts move at different speeds. The faster cart…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 45.0 g and its apparent mass when submerged is 3.60 g (the bone is water light) a. What mass of water is displaced? b. What is the volume of the bone? c. What is its average density?
- You have three objects of varying shapes and sizes: Object 1 is a rectangular block of tin. Object 2 is a cube of aluminum. Object 3 is a sphere of copper. a. the density of tin is 5.75g/cm2. What is the mass of object 1 in kg if the rectangular block has a volume of 1.34L? b. what is the volume in cubic inches of object 2 if the cube of aluminum 7.58 inches on a side? c. what is the mass in kg of object 2? the density of aluminum is 2.70g/cm3 d. what is the volume in cm3 of object 3 if the sphere of copper has a diameter 8.62cm? the volume of the sphere is 4 {pi}^3/3 e. what is the mass in kg of object 3? Copper has a density of 8.96g/cm3A length of clear plastic tubing is bent into a vertical U, as shown in the figure, and two liquids that do not mix are poured into it. Liquid A, with density ρA continues from the left column into the right. Its height is d1 in the left column and d2 in the right column. Liquid B, with density ρB, sits on top of liquid A in the right column. Its height is d3 above liquid A. a) Enter an expression for the density of liquid B, in terms of the other defined quantities. b) Calculate the density of liquid B, in kilograms per cubic meter, if liquid A has a density of ρA = 1.6×103 kg/m3, and d1 = 11.8 cm, d2 = 7.2 cm, d3 = 6.3 cm.10. A container is filled with water as shown in the figure. Points A, B, C, and D indicates the pressure exerted by the liquid. Arrange the points based on the magnitude of the pressure exerted by the liquid in a descening order. D. Ignore the question number, just try it out! O D. B, A, C О В. С, А, D O C, A, B, D O A. C, B, D
- A U shaped tube with diameter 2.00 cm, open to the air on both ends, contains mercury. Oil ispoured into the left arm until the oil column is 15.0 cm high. Then water is poured into the rightarm until the water column is 10.0 cm.a. On which side of the tube is the mercury level higher? Support your answer.b. What is the change in height of the mercury on both sides of the tube?c. To make the mercury return to its original level, which fluid would you have to add to thetube, and how much would you have to add (in cm cubed)?Air P = 76 kPa SG₁ = 13.55 40 cm 22 cm Consider a dual-fluid manometer attached to an air pipe as shown in the image. If the SG of one fluids is 13.55, determine the SG of the other fluid for the indicated absolute pressure of air. Take the atmospheric pressure to be about 100 kPa. SG₂A length of clear plastic tubing is bent into a vertical U, as shown in the figure, and two liquids that do not mix are poured into it. Liquid A, with density ρA continues from the left column into the right. Its height is d1 in the left column and d2 in the right column. Liquid B, with density ρB, sits on top of liquid A in the right column. Its height is d3 above liquid A. Enter an expression for the density of liquid B, in terms of the other defined quantities. Calculate the density of liquid B, in kilograms per cubic meter, if liquid A has a density of ρA = 2.4×103 kg/m3, and d1 = 10.1 cm, d2 = 8.8 cm, d3 = 6.2 cm.