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The temperatures on the faces of a plane wall 15 cm thick are 375 and 85 degrees celsius. What is the heat flow through the wall at steady-state conditions?
Compute the average acceleration of the Air Force Fighter during the takeoff roll (ft/s2). What would be the length of the takeoff roll for the Air Force Fighter (ft)?
Determine the force P that will produce a 2 in vertical displacement of end A of the lever. What is the corresponding maximum shear stress in the shaft? Use G = 12x106psi for steel, and neglect defo
Determine the largest allowable value of P if the shear stress in the shaft is not to exceed 120 MPa and its angle of twist is limited to 5 degrees. Use G = 80 GPa for steel.
A column is made of a material with a yield stress of 50 ksi. If the buckling stress is calculated to be 75 ksi, which failure mode will occur first?
Estimate the time constant for such a thermometer. Neglect all effects of the capillary tube. Repeat for a cross flow of liquid water at 180degreeF and 20 ft/s.
Calculate Re and verify that it's smaller than 2300, if it's not, explain what you should do. Will you expect to get a bigger or smaleer final velocity that the one calculated in ac), explain?
An Acher shoots an arrow Vertically upward. If the arrow ascends to a maximum height of 100 feet. Find the value of the initial velocity of the arrow.
Calculate the constant "A" (with appropriate units) so the function f(x,y) is a velocity potential of an incompressible and irrotational flow field in 2D, Both x and y are given in meters.
Determine all reactions of this beam and draw the shear-force and bending-moment diagrams, labeling all critical ordinates.
Use Lagrange interpolation to obtain a polynomial of least degree that assumes these values. Then rearrange the points in the table to find the Newton form of the interpolating polynominal.
The collar is then released and strikes the body A. Calculate the acceleration of A, of B, and the velocity of each 2 seconds after C impacts A.
Car B accelerates at a(b) ft/s^2 for 2 sec and then continues at constant speed, calculate a(b) such that the flatcar does not move.
Find the maximum shear stress and normal stress for the sphere and the plate, and state where the maximum shear stresses occur in each body. Assume that for quartz, E= 500 Gpa and v= 0.15.
The player pulls his hand back during the impact at an average speed of 30ft/s over a distance of 6in. bring the ball to a stop, determine the average impulsive force exerted on the player's hand.
What load rating should be used to enter the Timken Company catalog where it rates the bearings for 3000 h at 500 rev/min?
he tension in the cable attached at a point along the postive x-axis is 1200N. Determine the tensionns that are required in the other two cables for equilibrium.
Determine the angular acceleration (using force-acceleration methods) of the bar and the reactions at A and B when theta is 60 degrees.
Water is supplied steadily at 150 ft^2/s to a hydraulic turbine through a 3ft diamter inlet pipe and discharged through a 4ft inside diameter exit pipe.
Derive expressions for Displacement, velocity and acceleration as a function of time. At time t= 0 s=0 and the velocity of the particle is V(0).
A magnetic brake system is used to slow the car to a speed of 2.5 ft/s at the end of the ride. If this brake applies a force of 1400lbs, what length of track is required for the braking system to ac
If the length of an earth day is 24 hrs and the rauis of earth is 6370 km, how high above the Earth surface should a body be placed in order to be in a synchronous orbit.
The temperature is now increased until the height of the piston rises from 23.4cm to 35.6 cm. What is the final temperature of the gas?
Find the properties at each state in the process but how do I do part A and B knowing all the Values. What is the overall efficiency of the cycle? What is the ratio of gas mass flow rate to steam fl
Calculate the anguler acceleration of the wheel the wheel is 2ft in diameter 0.20ft in thicknes mass of pully or wheel is 10 slugs 1 slug = 32.2 lbm.