"he average solar radiation per day in Cincinnati in the month of December is 2.5 kWh/m²/day. he average energy usage for a typical household in Cincinnati is 33 kWh/day. Assuming solar anels are 20% efficient and have an area of 1.6 m², how many solar panels would be needed to rovide enough energy for a typical household in Cincinnati. Jse the problem presentation method to solve this problem (except the verification step).
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- Calculate the internal energy (in Joules) of an endothermic system that absorbs 428.92 J and expands from 1.0 to 11.45 L against a pressure of 2.49 atm. Answer to one decimal space. Check AppowerConsider a room that is initially at the outdoor temperature of 20oC. The room contains a 40-W lightbulb, a 86-W TV set, a 319-W refrigerator, and a 1,339-W iron. Assuming no heat transfer through the walls, determine the rate of increase of the energy content of the room when all ofthese electric devices are on.(a) Cherry-red embers in a fireplace are at 850ºC and have an exposed area of 0.200m2 and an emissivity of 0.980. The surrounding room has a temperature of 18.0ºC. If 50% of the radiant energy enters the room, what is the net rate of radiant heat transfer in kilowatts? (b) Does your answer support the contention that most of the heat transfer into a room by a fireplace comes from infrared radiation?
- An electric water heater consumes 4.88 kW for 3.85 h per day. What is the cost (in dollars per year) of running it for one year if electricity costs 14.6 cents/(kW · h)?Please help me with the given question and make sure all the answers ( Part C,D and E ) are correct 1000% pls and thank youImagine choosing between two winter jackets. Assume you have access to a heat-generating mannequin with variable heat output. Insulation is comparable to (TB – TA)/M in the chapter 10 calculation. (This is a generic insulating equation.) How would you quantify the two jackets' insulation?
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