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A coal fired plant generates 600 MW (5.18 x 10^13 J/day) of electric power. The plant burns 4.8 x 10^6 kg of coal each day. The heat of combustion of coal is 3.3 x 10^7 J/kg. The steam that drives the turbines is at a temperature of 300 degree Celcius and the exhaust water is at 37 degree celcuus.
1. What is the actual efficiency of the plant for generatung electric power?
2. what is the ideal efficiency of this plant?
A uniform rod of mass 3.30×10?2kg and length 0.360m rotates in a horizontal plane about a fixed axis through its center, What is the angular speed of the system at the instant when the rings reach the ends of the rod
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How to find the position and height of an image
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The figure shows two 22.7 kg ice luges that are at rest and placed a short distance apart, one directly behind the other. What are the final speeds of the first luge
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