The velocity of water in a river is 18km/hr near the surface. If the river is 5m deep, find the shearing stress between the horizontal layers of water. The co-efficient of viscosity of water = 10 poise.

Q: Consider fully developed laminar flow in a circular pipe. If the viscosity of the fluid is reduced…

A:

Q: The resultant of the pressure and wall shear forces acting on a body is measured to be 580 N, making…

A:

Q: The two thigh bones (femurs) each of cross-sectional area 10cm2, support the upper part of a human…

A: The expression for the average pressure sustained by the femurs is

Q: When is the flow considered Laminar? A B D Re = 4000 Re = 2000 Re 4000

A: Let's check each option one by one 1. Re = 4000  Incorrect option  If Re = 4000 then the flow is…

Q: (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 27.8 m. Assume…

A:

Q: The submerged brick is balanced by a (3 + 0.13)-kg mass on the beam scale. What is the specific…

A: Write the expression for the weight of the submerged brick. Calculate the change in weight.

Q: A dam on a river is built so that the wall facing the water is shaped like the region above the…

A: Write the given values to the suitable variables.Here,  are the depth of the shape, depth of water…

Q: The dam is 500 m wide, and the water is 80.0 m deep at the dam. (a) What is the average pressure on…

A:

Q: A horizontal pipe of cross section 8 cm^2 has a constriction cross of section of 2 cm^2. Gasoline…

A: speed is in the constriction is v2=15.748 in/s

Q: When one end of the capillary is dipped in water, the height of water column is 'h'. The upward…

A: In a capillary tube the upward force is due to the surface tension  The Upward force, F=105…

Q: (1) A horizontal pipe expands smoothly from diameter do to a larger diameter d₁. A liquid of density…

A: Note: As you have provided two separate questions, we will answer only the first question according…

Q: Estimate the pressure exerted on a floor by (a) one pointed heel of area 0.45 cm2and (b) one wide…

A: SOlution: Given that a1 = 0.45 cm2 a2 = 16 cm2 m =56 kg

Q: - In a huge oil tanker, salt water has flooded an oil tank to a depth of 5.00 m. On top of the water…

A: density of oil(ρoil)=0.700 gcm3=0.700×10-3 kg(10-2)3 m3=700 kg/m3 density of salt water(ρsalt)=1025…

Q: Water strands upto the height of 5.7 mm in a capillary tube held vertical with its lower end dipped…

A: Surface tension calculation.

Q: An oil with a viscosity of 0.4 N - s/m^2 and a density of 900 kg/m^3 flows in a pipe of diameter…

A: The viscosity of oil is given as, μ=0.4 N·s/m2, The density of the oil is given as, ρ=900 kg/m3, The…

Q: On another planet that you are exploring, a large tank isopen to the atmosphere and contains…

A: Expression for velocity using rate of volumetric flow of ethanol is   Q = Av where A =9 ×10-4 m2  ,…

Q: Water flows with velocity 2.828 m/s through a pipe having cross-sectional with dimensions of 50 cm x…

A: GivenWater flows with velocity v1 = 2.828 m/s through a pipe having cross-sectional with dimensions…

Q: What is the density of a woman who floats in fresh water with 4.00% of her volume above the surface?…

A: Given: Need to find the density of a woman who floats in freshwater with 4.00% of her volume. Also…

Q: A horizontal pipe decreases uniformly from 150 mm diameter to 100 mm diameter in the direction of…

A:

Q: Concrete is pumped from a cement mixer to the place it isbeing laid, instead of being carried in…

A: Reynold’s number

Q: Review: A soild sphere of brass (bulk modulus of 14.0 x 1010N/m2) with a diameter of 3.00m is thrown…

A: Given : B = 14 × 1010 N/m2 d = 3 m  h = 1 km = 1000 m

Q: (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 32.6 m. Assume…

A: Depth = 32.6 m Density = 1.00 ✕ 103 kg/m3 Atmospheric pressure = 101.3 kPa.

Q: (a) What is the density of a woman who floats infreshwater with 4.00% of her volume above the…

A: (a) The density of the freshwater is 1000 kg/m3. 96 % of woman volume is inside the water and 4%…

Q: Verify that a 0.19 % decrease in laminar flow through a tube is caused by a 5.00% decrease in…

A: Here we will be using poiseuille's law

Q: (a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 27.5 m. Assume…

A: