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The ladder has a uniform weight of 80 lb and rests against the smooth wall at B. If the coefficient of static friction at A is mu(a)= 0.4, determine if the ladder will slip. Take theta= 60 deg
1) Determine the frictional force acting on the ladder at A.
2) Find the maximum frictional force that can be developed at A.
air enters a heating section at 1 atm 15degc and 30 percent relative humidity at a rate of 4 m3min and it leaves at
the portion of the truss shown represents the upper part of a power transmission line tower. for the given loading
water at 60f flows through 5000 ft of pipe with a 50 ft headloss. the pipe is riveted steel with smooth walls. the
a cylindrical pressure vessel of diameter 2 m and wall thickness 20 mm is subjected to an internal pressure of 20 bar 2
nitrogen gas is flowing in a 50mm diameter pipe at the rate of 0.05kgs. the nitrogen flows through a partially closed
determine (a) the compression ratio, (b) the cycle efficiency, (c) exhaust temperature, and (d) mean effective pressure (kPa). Draw (e) a P-v diagram and (f) a T-s diagram
the exhaust temperature of a carnot heat engine is 305degc. what is the intake temperature if the efficiency of the
a sheet of plywood 1.39 cm thick is used to make a cabinet door 55.5 cm wide by 69.5 cm tall with hinges mounted on the
a 4 diameter pipe elevates water vertically 100 feet. if the flow rate is 10 gpm a what is the velocity at the bottom
A piston-cylinder arrangement holds a thermally perfect gas at p1=100kPa and T1 = 300K. Assume that cp = 1.0035 kJ/kg-K, cv = 0.7165 kJ/kg-K, and R = 0.287 kJ/
Calculate the minimum power required to convert 1 mole/sec of oxygen gas at 298 K and 1 atm to saturated liquid oxygen at 1 atm and 90.13 K (the atmospheric pressure boiling temperature) in a process in which heat is rejected to the environment at 29..
generate a script to draw the perpendicular bisector of any two points using ginput command. the length of the
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