What radius must a water drop have for the difference between the inside and outside pressures to be 0.0202 atm ? The surface tension of water is 7.28×10−2 N/m . Express your answer in meters.
What radius must a water drop have for the difference between the inside and outside pressures...
The difference between the pressures inside and outside a tire is called a. absolute pressure b. gauge pressure c. atmospheric pressure d. psi e. none of the above
What would the pressure gradient between the inside and the outside of an air bubble in pure water, with a surface tension of 72 mN/m, for a bubble of 100nm in diameter?
Determine the pressure difference between the inside and outside of a i) water droplet, ii) soap bubble each with a 3-mm radius. Assume σ of soap to be same as pure water.
Procedure 1. Measure the inside and outside radii of the ring, the radius of the disk, and the masses of the ring and the disk, and record these values in Table 5. Table 5 Item Value Ring, inside radius (R1) 2.7 cm Ring, outside radius (R2) 3.8 cm Mass of ring (MR) Mass of Disk (MD) Radius of Disk (R) 470 g 120 g 4.7 cm 2. Place the disk firmly on the rotating system. Give it a spin using...
• Question 10 ) Textbook Videos A circle is inside a square. The radius of the circle is decreasing at a rate of 4 meters per day and the sides of the square are increasing at a rate of 4 meters per day. When the radius is 2 meters, and the sides are 16 meters, then how fast is the AREA outside the circle but inside the square changing? The rate of change of the area enclosed between the circle...
A water pump takes in water through a 10 cm radius tube 1.5 meters below the surface of a pool. At the surface the water is ejected upwards from a tube 4 cm in radius with enough velocity to reach 4 meters height above the pool. A) What is the velocity of the water as it leaves the tube at the pool surface? B) What is the velocity of the water at the intake tube 1.5 meters below the surface...
A cell is roughly spherical with a radius of 30.5×10−6m. The surface tension of water is 71.99 mN⋅m−1. If the cell grows to double its volume, calculate the magnitude of the work required to expand the cell surface. Assume the cell is surrounded by pure water and that T=298.15K. Express your answer with the appropriate units. Please explain how you arrived to your answer.
5 A hollow sphere of inside radius 30 mm and outside radius 50 mm is (5 electrically heated at its inner surface at a constant rate of 10 KW/m2. The outer surface is exposed to a fluid at 30°C, with heat transfer coefficient of 170 W/m2.K. The thermal conductivity of the material is 20 W/m.K. Calculate *.inner and outer surface temperatures 301.5°C Not all the above 30.15°C. 57.14'c. O 60.14'c. O تقع The handle of a saucepan, 30 cm long...
2. +-/0.55 points Tipler6 23.P040 +10-6 C is uniformly distributed on a spherical shell of radius 18 cm. (a) What is the magnitude of the electric field just outside and just inside the shell? A charge of q kV/m (outside) kV/m (inside) (b) What is the magnitude of the electric potential just outside and just inside the shell? V (outside) V (inside) (c) What is the electric potential at the center of the shell? What is the electric field at...
QUESTION 6 How tall must a water-filled manometer be to measure blood pressures as high as 206 mm Hg? (Express your answer in Sl units with 3 or more significant figures) ( Phpg) Density of water = 1 g/cm? Density of mercury 136 g/cm? QUESTION 7 What force must be exerted on the master cylinder of a hydraulic in to support the weight of a 1.231 kg car resting on the slave cylinder? The master cylinder has a 27 cm...