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Calculate the horizontal force P on the light 10o wedge necessary to initiate movement of the 40-kg cylinder. The coefficient of static friction for both pairs of contacting surfaces is 0.25. Also determine the friction force FB at point B. (Check carefully your assumption of where slipping occurs).
At the instant shown the tensions in the vertical ropes AB and DE are 300N and 200N, respectively. Knowing that the mass of the uniform bar BE is 5kg, determine, at this instant
Ammonia as a saturated vapor at 130 psi expands is thermally in an internally reversible process to a pressure of 18 psi. Determine the heat transfer and work for this process.
using the known radius of the earth and that g 9.80 ms2 at the earths surface find the average density of the earth.
The rod ABC is made of steel (E = 29 X 10^6 psi). Determine the normal stress in section BC. Determine the deflection at point B and C.
a window frame manufacturer is searching for ways to improve revenue from its triple- insulated sliding windows sold
a w254x33 structural steel e200gpa section is used for a column with an actual length of 6m. the column can be
air enters a two-stage compressor at 100 kpa and 27 degrees c and is compressed to 625 kpa. the pressure ration across
In the other stream, Refrigerant 134a enters at 14 bar, 80°C with a mass flow rate of 5 kg/min and exits as saturated liquid at 52°C. Heat transfer from the outer surface of the heat exchanger can be ignored. Determine the mass flow rate of the li..
natural gas methane flows from a 33-in diameter gas main through a 1-in-diameter pipe and into the burner of a furnace
An object is accelerating at 4m/s2. If the mass is halved and the net force tripled, a) what will be the new acceleration? and b) Determine the acceleration if the mass of the object is doubled, with all other conditions remaining the same.
Air exits from the nozzle at 800m/s. find the air exit temperature from the compressor.
a 1200 mwe pressurized water reactor pwr with an overall thermal efficiency of 30 is designed to supply saturated steam
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