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A layer of water seperates two smooth surfaces a distance of 2r. Derive an experssion for the force needed to pul the two surfaces apart. Consider the bottom surface fixed. What is the force needed to seperate the top surface?
Find the minimum power of the pump
Show how did you do the maintenance during your workshop
Determine the minimum distance from a 50 ft height building from which the ball can be thrown and not hit the side of the building , but it may land on the roof depending upon how long the building is.
A heat pump with a COP (coefficient of performance) of 2.8 is used to heat an air-tight house. When running, the heat pump consumes 5 kW of power
DOF system and Find the differential equation describing the system
Assume that viscous effects are negligible Plot this data using appropriate dimensionless groups
Determine the natural frequencies of the system. For the baseline system I get natural frequencies at the following engine speeds: 435, 2026, 2818, 5225, 7093, 10245, and 12153 rpm.
Find the corresponding damping coefficient c. Identify the system parameters such as the natural frequency and damped frequency. Derive the mathematical expression of the displacement as a function of time with the given initial condition. Plot yo..
calculate: a) the overall train value. b) the output rational speed at shaft 5. c) the output torque at shaft 5. Relevant gear data is= NA= 17, NB= 36, NC= 19, ND= 41, worm E = double lead, worm G = triple lead, NH= 37?
determine the actual and minimum theoretical operating costs, each in $/day.
Evaluate the shearing and normal stresses at points H and J located at the ends of the horizontal and vertical diameters of transverse section located 2.5 in. to the left of bearing B.
Employing the ideal gas model, determine the change in specific entropy between the indicated states, in Btu/lbmol?ºR. Solve 2 ways: Use the appropriate ideal gas table AND also by using a constant specific heat value.
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