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A force of magnitude 8 lb is applied to line AB of a fishing rod OA. Determine the vector components of the 8 lb force in directions parallel and perpendicular to the rod.
Derive an expression for the maximum theoretical efficiency of a heat engine utilizing this heat source versus time. Plot the maximum theoretical efficiency versus time for 10 years. Assume that there is sufficient ocean water available to maintai..
Water flowing at a rate of 3.8 kg/s is heated from 38 to 55 C in the tubes of a shell and tube heat exchanger. The shell side is one pass with water flowing at 1.9 kg/s entering at 94 C. The overall heat transfer coefficient is 1420 W/m^2*K. The aver..
a solar collector is used to dry biomass in a storage bin. outside air at 35o and 60 rh enters the collector and is
What will be the temperature of the radiation when the volume of the universe is twice its present value? Assume the expansion to be isentropic (this being a nonobvious prediction of cosmological model calculations).
Saturated R-134a in a chamber undergoes a constant temperature process starting at 52 F and a quality of x-0.15, and ending at a pressure of 44 Ibf/in^2. What is the change in specific volume?
There are no significant pressure drops in the flows through the evaporator and condenser. Determine the evaporator and condenser pressures, each in lbf/in.2, the mass flow rate of refrigerant, in lb/min, the compressor power input, in horsepower,..
a 9 m3 tank has two sections separated by a membrane both of which contain nitrogen gas. the nitrogen in section a has
An object of mass 1000 kg, initially having a velocity of 100 m/s, decelerates to a final velocity of 20 m/s. What is the change in kinetic energy of the object, in kJ?
at the beginning of the compression process in an ideal otto cycle air is at 95 kpa 27 degree c and the temperature at
Arc Length Element Find the square of the element of arc length ds in cylindrical and spherical coordinate systems. Plane through Three Points Show that the equation of a plane that includes the three points
a steel jacket e 200 gpa and v 0.3 having an inside diameter of 150 mm and an outside diameter of 200 mm is shrunk
a water line is planned to connect a new reservoir to an existing water treatment plant. the average water surface
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