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A 50 kg crate resting on a flat smooth surface is acted upon by a horizontal force that varies by the equation F=1.5x where x is horizontal displacement in units of m.
What is the speed when the object has moved 25 m if coefficient of kinetic friction between the object and floor is 0.25?
A pure aluminum conical section with Cross Sectional diameter of D= ax^(1/2). The lateral surfaces are well insulated. Determine an expression for temperature distribution assuming 1D heat transfer.
Deternine the duct length required to reach Mach 0.6. Determine the length required to attain Mach 1.0 (C) Now suppose that an additional 750 mm of duct length is added.
Find the velocity profile for Couette flow where the inner rod is rotated with speed. Neglect gravity. Do not assume that the gap is small compared to the radius.
What is the value of delta S for this process? How much work, Ws, is needed per mole of air for the compression? 3. How do you account for excess temperature?
Calculate the velocity of air at the entry in ft/s; the rate of work exchanged between the compressor and its surroundings in Btu/s.
Draw a schematic and show the control volume you have selected; Calculate the diameter of the pipe; and Calculate the velocity of the refrigerant at the exit of the pipe.
The pressure-volume relationship is pV^1.1 = constant. For the propane, evaluate the work and heat transfer, each in kJ. Kinetic and potential energy effects can be ignored.
Calculate the magnitude of the heat transfer during the process. Is the heat transfer into the carbon monoxide or out of the carbon monoxide.
A specimen of aluminum having a rectangular cross section 9.7 mm × 12.4 mm(0.3819 in. × 0.4882 in.) is pulled in tension with 35400 N (7958 lbf) force.
Compute the Total Equivalent Resistance for the circuit. For your output, create a table similar to the one below. Use the Headers for each column.
Then use appropriate power equation to calculate the required power. Determine the minimum power required to achieve turbulence for the case where the viscosity is 100 times that of water.
Is the field goal attempt good? no yes. By how much is it under or over the bar? How far behind the plane of the goalposts does the ball land?
It is subject to an internal pressure of 20MPa and a bending moment of 2.0kNm. Determine the safety factor against yielding if the material is 7075-T6 aluminium.
Compute the maximum length of the specimen before deformation if the maximum allowable elongation is 0.43 mm (0.01693 in.).
Develop an equation for the volume of the oil as a function of the height from the surface of the oil to the top of the wooden cylinder when it is placed in this stratified fluid column
Determine a) the volume and mass flow rates of water through the hose, b) the mean velocity of the water at the nozzle exit, and c) the mean velocity of the water in the hose.
The air leaves the diffuser with a velocity that is very small compared with the inlet velocity. Determine a) the mass flow rate of the air and b) the temperature of the air leaving the diffuser.
A Wheatstone bridge initially has resistances equal to R1 = 200 Omega , R2 = 400 Omega , R3 = 500 Omega , and R4 = 600 Omega . For an input voltage of 5 V.
Determine the frequency response and [M( ω ) and phiv (ω )] for an instrument having a time constant of 10 ms. Estimate the instrument's usable frequency range to keep its dynamic error
Determine the minimum acceptable cable cross-sectional area. If the cable consists of 10mmm strands, how many strands are needed?
Determine the pressure in the gas main if the pressure in the 1-in. pipe is to be 6-in. of water greater than atmospheric pressure.
The mixture occupies a volume of 0.05 m^3. Determine the mases of saturated liauid and vapor present, each in kg. Be sure to include a t-v diagram.
Calculate the diffusion coefficient for copper in aluminum at 600 degree Celsius. Preexponential and activation energy values for this system are 6.5 x 10^-5 m^2/s and 136,000 J/mol, respectively.