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Two control rods are attached at A to lever AB. Using trigonometry and knowing that force in the right-hand rod is F2=20 lb, determine a.) the required force F1 in the left-hand rod if the resultant R of the forces exerted by the rods on the lever is to be vertical, b.) the corresponding magnitude of R
determine (a) the instantaneous center of rotation of the double pulley (b) the velocity of th slider block (c) the number of inches of cord wrapped or unwrapped on each pulley per second.
the snowmobile is traveling at 10m/s when it leaves the embankment at A.determine the speed at which it strikes the ground at B and its maximum acceleration along the trajectory AB.
A small hydroelectric power plant produces electrical power at a rate of 30 kW. The plant utilizes a stream of water that drops 40 m from a lake to the turbine and flows at a rate of 100 kg/s. What is the efficiency of the turbine-generator?
the lower end of the 30 kg slender rod is displaced a small amount and released from the rest. determine the natural frequency of vibration. the springs have stiffness of 500 N/m and they are stretched when the rod is hanging vertically.
The temperature of the water drops to 260 F as a result of heat transfer to the surroundings. Determine the final pressure in the tank?
determine the location Yc of the centroid C of the beam cross sectional area . then compute the moment of inertia of the area about the x axis.
Determine the analytical solution for the maximum stress of the beam shown; compare with stress results from SolidWorks.
A power outage occurred at a water distribution pump station. Before the power outage the station was pumping with one pump at 6,000 gpm in a 18" diameter Steel Pipe
two spinning discs have the same angular momentum, but disk 1 has more kinetic energy than disk 2. Which one has the bigger moment of inertia - explain your reasoning?
Air enters a turbine at 40 kN/m2, 900 C, and leaves at 10 kN/m2. The flow is reversible and adiabatic. Inlet velocity is quite low and outlet velocity is 150 m/s through a cross-sectional area of 0.20 m2. Calculate the power output in kW.
Evaluate thermal efficiency of the cycle
Assuming the plant operates on the ideal vapor-compression cycle using refrigerant 134-a between the pressure limits of 120 and 700 kPa, determine
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