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To set up and solve the equations of motion using rectangular coordinates. The 3-kg collar shown has a coefficient of kinetic friction μk=0.205 with the shaft. The spring is unscratched when s=0 and the collar is given an initial velocity of v0=15.1 m/s. The unscratched length of the spring is d=1.3 m and the spring constant is k=26.2 N/m. What is the acceleration of the collar after it has moved 4.5 m? What is the speed of the collar after it has moved 4.5 m?
Compare the time and cost of using the following three alternative methods for casting the concrete for the wall: 1) direct chute 2) pumped 3) crane and bucket.
argon is compressed in a polytropic process with n 1.2 from 120 kpa and 30ordmc to 1200 kpa in a piston-cylinder
the maximum allowable value of each of the reactions is 180 N neglecting of the weight of beam, determine the range of te distance d for which the beam is safe.
A first class lever in static equilibruim has a 50 lb resistance force and 15 lb effort force. The lever's effort force is located 4 ft from the fulcrum. What is the actual mechanical advantage of the system?
the aluminum plate of thickness t 3.5 mm. is to be designed so the maximum stress remains below 100 mpa. the hole must
an aircraft flies at 850 fts through air at -40 f and 5 psia. the turbojet engine has a pressure ratio of 10 and the
A square vertical plate measuring 0.25 m on each side is exposed on one side to air at 1 atm and 10 C. If the plate is held at a constant 286 C, what is the convective heat transfer?
For a part with matrices (0,0,0),(1,0,0),(0,2,0),(0,0,3), find the final shape after being scaled with factors(1,2,3) in x,y,z axis and then mirrored about z=0 plane. Use transformation matrices.
given the function fxy m-1 s-1x3 - ay2x 4ms-1xa. calculate the constant a with appropriate units so the function fxy
The diffuser in a jet engine is designed to decrease the kinetic energy of the air entering the engine compressor without any work or heat interactions. Calculate the velocity at the exit of a diffuser when air at 100kPa and 14C enters it with a velo..
a 850-kg meteoroid happens to be composed of aluminum. when it is far from the earth its temperature is -13.5 degc and
a nozzle is a device that is used to increase the velocity of a flowing fluid. it does this by reducing the pressure.
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