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The two-force and three-force principles where appropriate. Neglect weights of members unless specified otherwise. Find the force P required to
(a) push; and
(b) pull the 80-lb homogeneous roller over the 3-in. curb.
What is the difference between the component pressure and the partial pressure
This weir is to be replaced by an uncontracted horizontal weir that will maintain the same upstream depth. Determine the height of the weir if the discharge coefficient is based on the following equation: C = 1.78 * 0.22(H/p)
During the process 40 kJ of heat is transferred from the sphere, while the sphere receives energy in the form of work equal to 20kcal. calculate the change in the sphere's internal energy in kJ.
calculate the amplitude F0 of the sinusoidal excitation force that is necessary to produce a steady-state vibration with a velocity amplitude of 10 m/s at resonance
In Fig, the hydrostatic force F is the same on the bottom of all three containers, even though the weights of liquid above are quite different. The three bottom shapes and the fluids are the same. This is called the hydrostatic paradox. Explain wh..
a. Describe the modes of formation for the three basic categories of naturally occurring rocks. Name three rocks form each category. b. Explain how the formation process affects how rocks are described and classified in engineering terms.
Two parallel plates are separate at a distance of 2mm by a fluid. If a shearing stress of 150 Pa is developed at the upper plate when it is pulled at a velocity of 1m/s. Determine the viscosity of the fluid.
What is the length of a 200 ft. steel tape having a cross-sectional area of 0.004in2 and a modulus of elasticity of 30,000,000 lb/in2 that is standardized at a tension of 20 lb and a temperature of 68°F
A POTW (a.k.a. waste water plant) 1.0 m^3/s of treated effluent having an ultimate BOD of 30mg/L and DO = 2 mg/L into a stream that has a flow of 8 m^3/s, a BOD = 5.0 mg/L and DO = 9 mg/L.
The distance between the poles holding the rope is 90 ft. We are to find the tensions in both sides of the rope for someone walking across the rope and the deflection for every 0.5 ft up to 45 ft.
For an interest rate of 12% per year compounded every 2months, determine the nominal interest rate per (a) 4 months (b) 6months, and (c) 2 years
It is desired to compare the results of property predictions for water near or in the saturation region using (a) the ideal gas equation, (b) the compressibility chart and (c) the steam tables.
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