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A rectactangular surface is placed in a vertical position in fresh water with its top and bottom edges horizontal. if the dimensions b and d of the immersed surface are 8.00 ft and 12 ft and the vertical distance h from the surface of the water to the top edge of the immersed surface is 10 ft, the magnitude of the resultant force on one side of the immersed surface is A. 131,800 lb B. 95,800 lb. C. 59,900 lb. D. 35,900 lb.
Define- hydraulic mean radius, hydraulic dept, section factor and most efficient dhannel cross section.
Design a wide flange, simply supported beam below so that the stress due to bending does not exceed that allowed by AISC for A36 steel and calculate the shear stress where the parts join as indicated. Maximum V = 10,000 lb.
A huge reservoir of air supplies a converging-diverging nozzle with throat and exit areas of 10 cm^2 and 25 cm^2 respectively. The reservoir pressure and temperature are 150 kPa and 20C. Determine the range of back pressure over which
Helium enters subsonically and flows isentropically through the converging-diverging duct. Compare the values of Ma, T/T0, and P/P0 for helium with those for air at several locations in the duct. Use 0.163 ≤ Ma ≤ 3.221.
how long is required for half the ice cube to melt? State clearly all the assumptions you make in formulating your model of this problem.
Analyse the operational characteristics of the current system / component available in the market and future systems yet to come into production. Analyse the effect of the system on the environment and its sustainability.
At the end of the isothermalexpansion, the pressure is 600 kPa and the volume is 0.4 m3. Assuming the ideal gas model for air, determine the thermal efficiency.
An elevator descends from rest with an acceleration of 5 ft>s2 until it achieves a velocity of 15 ft>s. Determine the time required and the distance traveled.
The motion of a particle in defined by the relation x = t3 - 15 t2 - 20, where ‘x' is expressed in metres and ‘t' in seconds. Determine the acceleration of the particle at t = 3 seconds.
Calculate the minimal round-trip time delay for a radio communications link between Los Angeles and the satellite.
Determine the largest allowable square cross section of a steel shaft of length 6 m if the maximum shearing stress is not to exceed 135 MPa
Sketch and annotate the drive train described above. What's the overall system gear ratio? Formula, Substitute/Solve,
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