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- A spherical neutrophil 16µm in diameter is resting as shown in the attached photo. The pressure difference between the inside and outside of the cell is 7.5Pa. a) Draw free body diagrams of the whole cell and one hemisphere of the cell. b) Calculate cortical tension in the cell. In a micropipette aspiration experiment, a suction pressure of 52.5 Pa was used to aspirate the neutrophil membrane. c) Draw free body diagrams of the whole cell under micropipette aspiration and the portion of the cell in the micropipette. What is the diameter of the micropipette tip used to make this hemispherical projection? Next, the micropipette aspiration was stopped, and the cell was treated with Cytochalasin D, an inhibitor of actin polymerization, causing the cortical tension to decrease by half. d) Assuming the pressures inside and outside the cell have not changed, what is the new cell radius? e) If the same micropipette was used to aspirate the cell, what would be the new suction pressure?An aluminum block (SG-2.5) has a dimension of 0.1 m x 0.1 m x h meters. It is floating in mercury (SG-13.6) and the submerged height of the block is 0.90 m. Determine the weight (kN) of the block.A commpon way of salvaging cannons from old wreacks is to attach an inflatable balloon filed with air. Assume that the cannon is a solid cylinder of iron which is 1.30m long with a radius 17.3cm. The density of iron is 7.87g/cm^3. a. If an air bag were filled twice the volume necessary, what will be the tension in the rope between the air bag and the cannon when the air bag reaches the surface and comes to rest? What volume of air bag wil be floating above the water surface?
- An oil tanker 3m wide 2 m deep and 10 m long contains oil of density 800 kg/m3, if the tanker is closed and completely filled with the oil and accelerated horizontally at 3m/s2. a.) determine the total liquid thrust (hydrostatic force) on the front end. (in kN) b.) determine the total liquid thrust (hydrostatic force) on the rear end. (in kN)Calculate the fluid force on one side of a 5 ft by 5 ftsquare plate if the plate is at the bottom of a pool filled with waterto a depth of 8 ft anda. lying flat on its 5 ft by 5 ft face.b. resting vertically on a 5-ft edge.c. resting on a 5-ft edge and tilted at 45° to the bottom of the poolSolve Correctly A cylinder object is suspended in a liquid at a distance of 38cm below the surface. The diameter of the object is 140cm and the density of the object is 960 kg/m3. The density ratio is 1. Determine the height of the cylinder, if the buoyant force is 7N.
- Plz answer I will rate !:) A right circular cylindrical tank with its circular base on the ground is full of water. The diameter of the base is 4m and the height of the tank is 4m. Set up a Riemann sum to approximate the hydro static force against the lateral wall of the tank. Then express the force as an integral and evaluate it.The iceberg idealization may becomeunstable if its sides melt and its height exceeds its width. InFig. suppose that the height is L and the depth intothe paper is L , but the width in the plane of the paper isH , L. Assuming S =0.88 for the iceberg, fi nd the ratio H / Lfor which it becomes neutrally stable (about to overturn).A float sensor for the determination of the level of water in a vessel has a cylindrical float of mass 2.0 kg, cross-sectional area 20 cm2 and a length of 1.5 m. It floats vertically in the water and presses upwards against a beam attached to its upward end. What will be the minimum and maximum upthrust forces exerted by the float on the beam? Suggest a means by which the deformation of the beam under the action of the upthrust force could be monitored.
- A plane is fitted with pontoons for operation on lakes. As it taxies out for take-off, the plane itself weighs 10670 Newtons (2849lbs), it has 40 gallons of gasoline in its tanks, and the pilot and passenger together weigh 1513 Newtons (340 lbs). One gallon of gasoline weighs 25 Newtons (5.67lbs). What is buoyant force on the plane when it floats in a body of water? Take the mass density of water to be 1000 kg/m3 and the acceleration due to gravity as 9.8 m/s2 what volume of water do the pontoons displace?A plane is fitted with pontoons for operation on lakes. As it taxies out for take-off, the plane itself weighs 10670 Newtons (2849lbs), it has 40 gallons of gasoline in its tanks, and the pilot and passenger together weigh 1513 Newtons (340 lbs). One gallon of gasoline weighs 25 Newtons (5.67lbs). What is buoyant force on the plane when it floats in a body of water? Take the mass density of water to be 1000 kg/m3 and the acceleration due to gravity as 9.8 m/s2A block with specific gravity of SG= 1.45 and volume V= 0.75m3, is attached to a spring scale. The block is hung vertically such that it is fully submerged in oil ρoil= 0.85kg/m3 . a) Draw a free body diagram for the block. b) What is the apparent weight of the block?