Asimple pendulum is displaced to the left of its equilibrium position and is released from rest. set the origin of the coordinate system at the equilibrium position of the pendulum, and let counterclockwise be the positive angular direction. assume air resistance is so small that it can be ignoredpart a:
beginning the instant the pendulum is released, select the graph that best matches the angular position vs. time graph for the pendulum.
part b:
beginning the instant the object is released; select the graph that best matches the velocity vs. time graph for the object.
part c:
beginning the instant the object is released; select the graph that best matches the acceleration vs. time graph for the object.
guys! im so lost on this : /

Steam is generated in a boiler of a cogeneration plant at 10 mpa and 450°c at a steady rate of 5 kg/s. in normal operation, steam expands in a turbine to a pressure of 0.5 mpa and is then routed to the process heater, where it supplies the process heat. steam leaves the process heater as a saturated liquid and is pumped to the boiler pressure. in this mode, no steam passes through a condenser, which operates at 20 kpa. (a) determine the power produced in the turbine and the rate at which process heat is supplied in this mode. (b) determine the power produced in the turbine and the rate of process heat supplied if only 60 percent of the steam is routed to the process heater and the remainder is expanded to the condenser pressure. (3.32 mw; 9.69 mw; 4.25 mw; 5.82 mw)