Calculate thermal efficiency and net work output for cycle
A steam power plant has steam leaving the boiler at 1 MPa and 300 degrees C. If the plant operated with a condenser pressure of 20kPa, calculate the thermal efficiency and the net work output for the cycle.
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If the plant operated with a condenser pressure of 20kPa, calculate the thermal efficiency and the net work output for the cycle.
Atmospheric pressure is around 1.010×105 Pa. Think about the air pushing on a flat, circular glass window which has a radius of 0.0830m. What is the force with which the air is pushing on one side of the glass?
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A two stage rocket of mass 751kg traveling at speed 709m/s separates into a first stage of mass 236kg moving at zero speed and a final stage moving at a new speed - find this new speed right after separation.
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