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1.The relative velocity of two infinitely wide parallel plates thatare 1cm apart is 10cm/s. If the dynamic viscosity of the liquid between the plates is 0.001 N s/m2 what is the shear stress between the plates?
2.Express each of the three forces acting on the bracket in Cartesian vector form with respect to the x and yaxes. Determine the magnitude and direction θ of F1 so that the resultant force is directed along the positive x'axis and has a magnitude of Fr = 600 N.
3.If φ = 45 degrees, F1 = 5kN, and the resultant force is 6kN dircted along the positive y axis, determine the required magnitude of F2 and its direction θ.
Ball A is thrown vertically upward from the top of a30-m-high-building with initial velocity of 5m/s. At the same instant another ball B is thrown upward from the ground with aninitial velocity of 20m/s. Determine the height from the ground andthe ti..
A 20g mass vibrates accordings to the equation x=0.0009cis(3pit/2 + pi/2). Find the amplitude, period, max velocity, max acceleration, spring constant "K", and the total energy of the system
question 1 a what are minerals? sketch different types of mineral crystal forms and list different types of rock
Apiece of corroded steel plate was found in a submerged ocean vessel. it was estimated that the original area of the plate was 62.5cm 2 and approximately 2.8k had corroded away during the submersion.
Two level sections of an east-west highway (G=0) are to be connected. Currently, the two sections of highway are separated by a 4000-ft (horizontal distance), 2% grade. The western most section of highway is the higher of the two and is at elevati..
the present worth of an increasing geometric gradient is $23,632. The interest rate is 10% per year, and the rate of change is 4% per year. If the cash flow amount in year 1 is $3000
A four lane freeway (two lanes in each direction) operates at capacity during the peak hour. It has 11-ft lanes, 4-ft shoulders, and there are three ramps within three miles upstream of the segment midpoint and four ramps within three miles downst..
In a water table aquifer bounded on the ends by rivers, the hydraulic conductivity is 50 m/day. The hydraulic heads at x = 0 and x = 1000 m are 100 m and 90 m, respectively.
A large tank is used to calibrate the reading from a flow meter. Measurements of the system weight as a function of time are made. Water enters the tank vertically from the flow metering system at a speed of 20 ft/sec through a 1.5 in.
The dissolved oxygen of sample water is 1.5 mg/L. At 25 C, the dissolved oxygen of the dilution water is 8.25 mg/L. You are told the BOD5 of the sample is 130 mg/L. You have a target final dissolved oxygen of 3.0 mg/L
An adiabatic argon unit compresses argon at 200 kPa and 27C to 2.18 MPa. If the Argon leaves this compressor at 513C. What is the isentropic efficiency of the compressor
A cylindrical soil, 75mm in diameter and 150 mm long, is radially compressed. The length increases to 153 mm and the radius decreases to 37.2 mm. Calculate: a) The axial and radial strains b) The volumetric strains
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