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The jib crane is designed for a maximum capacity of 10kN, and its uniform I beam has a mass of 200kg.
a) Plot the magnitude R of the force on the pin A as a function of x through its operating range of x=0.2m to x=3.8m.
b) Determine the minimum value of R and the corresponding value of x
An elevator is hung by a steel rope. The rope has a cross-sectional area of 250mm2 and a modulus of elasticity of 70 GPa. the upward acceleration when the elevator starts is 4 m/s2. the rope is 100m long and the elevator weigh 1000 kg. determine the ..
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a 10-kg mass of r-134a at 1.2 mpa and 70 c is cooled at constant pressure until it reaches a temperature of 20 c.
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a particle travels along the circular path xsup2ysup2rsup2. if the y component of the particles velocity is vy2rcos2t
five kg of r-22 refrigerant at 3 bar and saturated vapor is contained in a closed rigid tank. a process cools the r-22
A frictionless piston cylinder device arrangement initially contains 8kg of saturated water mixture at 200 Degrees Celsius. Heat is supplied to the mixture till all the mixture is converted to saturated vapour at constant pressure. Determine the fina..
blood flows up a vein with a uniform radial velocity and radius of 5 doppler ultrasound tells you that the velocity
A wheel barrow is used to lift a 200 lb load. The length from the wheel axle to the center of the load is 2 ft. The length from the wheel and axle to the effort is 5 ft. 5. What is the ideal mechanical advantage of the system?
Consider an incompressible 2D velocity field where u =-2xy and y = x^2-y^2 in Cartesian coordinates. Is it a valid 2D flow (satisfy the continuity equation)?
many commercial sinks and publicly-accessible showers have mixing valves underneath them which pre-mix the hot and cold
the upper surface of a 50-cm thick solid plate k237 wmk is being cooled by water with temperature of 20 degrees
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