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A Block of mass 10 kg and measuring 250 mm on each edge is pulled up an inclined surface on which there is a film of SAE 10W-30 oil at 30F (the oil film is 0.025 mm thick). Find the steady speed of the block if it is released. If a force of 75 N is applied to pull the block up the incline, find the steady speed of the block. If the force is now applied to push the block down the incline, find the steady spped of the block. Assume the velocity distribution in the oil film is linear. The surface is inclined at an angle of 30 from the horizontal.
air is compressed in a piston-cylinder device from 90 kpa and 20 degrees c to 400 kpa in a reversible isothermal
a turbine operates at steady state with steam flowing through it at a rate of 36 kgmin. the steam enters the turbine at
steam enters a well insulated nozzle operating at steady state at 1000of and 500lbfin2 and velocity 10fts. at the
write a reflective assessment of how you rate yourself against these competencies and Describe the main learning outcomes that this course and the EWB project have generated for you over the semester. Have any of these learning outcomes been a ..
the aluminum shade for the small high intensity lamp has a uniform thickness of 1mm. Knowing that the density of aluminum is 2800 kg/m^3, determine the mass of the shade.
nitrogen at 100c and 600 kpa expands in such a way that it can be approximated by a polytropic process with n 1.2.
a tank of 50 ft3 volume contains saturated ammonia at a pressure of 200 lbfin2. initially the tank contains 50 liquid
two materials a and b of the same density are being considered for the design of a large plate that is 2 m wide and 3 m
you are to design a balloon capable of lifting 200 kilograms the mass of the gas in the balloon must be 200 kilograms
heating units are scattered throughout the original me building. each unit has a throttling valve a 48 inch long
Air at the rate of 18 kg/s is drawn into the compressor of a jet engine at 55 kPa and -23oC and is compressed reversibly and adiabatically to 276 kPa. Determine the required power input to the compressor expressed in horsepower.
an automobile is found to have a natural frequency of 20 rads without passengers and 17.32 rads with passengers of mass
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