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A thin plate (0.7 m wide by 2 m long) is towed through water at a velocity of 1.1 m/s. Calculate the drag force on both sides of the submerged plate assuming that
(a) the boundary layer remains laminar, and
(b) the boundary layer becomes turbulent at the leading edge.
A permeability test was run on a cylindrical soil sample with a length of 175 mm, and a diameter of 75 mm. After 90 seconds, discharge was 300 cm3 under constant head of 41 cm. The sample had a dry mass of 850 g and its ?s was 2.60 g/cm3. Calculate (..
A new sports car has a drag coefficient of .30 and a frontal area of 21 ft^2, and is traveling at 110 mi/h. How much power is required to overcome aerodynamic drag if p=.002378 slugs/ft^3?
You are the winner of a sweepstakes and given a choice of a one-time payment of $1,000,000 or a guaranteed $80,000 per year for 20 years. Assume that you will collect all 20 years regardless of health condition.
It leaves the pump through a 4-in-diamter pipe at 15 psi. Assuming that the suction and discharge sides of the pump are at the same elevation, find the horsepower delivered to the water by the pump.
what is your recommendation for the maximum size of coarse aggregate for the following situation? a continuously
The allowable shearing stress is 15 ksi in the steel rod AB and 8 ksi in the brass rod BC. Knowing that the torque of magnitude T=10 kip * in. is applied at A, determine the required diameter of a) rod AB, b) rod BC.
A container ship carries 2000 units. It must be unloaded andre-loaded in a 48 hr turnaround. Two cranes are available. Find the rate that the trucks line up, load and pass under each crane.
What is the maximum weight that can be suspended on a 16 Kg poll, 3/5 from the end. The maximum tension of the 30 degree guy-wire is 1500 N. Find the horizontal and vertical forces exerted on the poll by the hinge.
If a source of groundwater gets contaminated with a DNAPL and another one gets contaminated with a LNAPL, which one will be harder to remediate and why ?
Determine the mass flowrate through boiler needed to produce 5000KW of power.
Calculate the change in pH of rainwater resulting from an increase in the PCO2 from 10-3.5 atm to 10-3.0 atm due to fossil fuel emissions.
An observer fails to check the bubble, and it is off two divisions on a 100-m sight. What error results for a 20-sec bubble?
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