1) An average LCD television has a power consumpion of 110 watts. If the television is operated for 6 hours per day, and the cost of electricity is 10 cents (0.10 dollars) per kilowatt hour, what is the annual (yearly) cost of operating the televison?
2) A power plant has a total work output of 65 MJ. If the waste heat discharged is equal to 95 MJ. What is the thermal efficiency of the power plant, and how much inlet heat is required?