If the solar insolation is 1,400 kWh/m² per year. And the efficiency of solar panel is 17%. How much electricity can be produced in one year from 49.5 square meter of solar panel? (Report your result in the unit of kWh) Your Answer: Answer
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- Suppose you use 57 kWh (kilowatt hours) of electricity at $0.35 per kWH, 91 kWh at $0.26 per kWh, and 82 kWH at $0.24 per kWh. What is your total cost of electricity? Enter your answer with 2 decimal placesWhat is the cost of operating a 84.87-Watt freezer for a month if the cost of electricity is $ 0.04 per kWh? Assume we take a month as 30 days.A certain wind turbine has a nameplate capacity of 2 MW. If the average capacity factor is 41%, how much energy in MWh does the turbine generate each week? Please include one decimal place in your answer. Hint: there are 168 hours in a week.
- What is the cost of operating a 76.59-Watt freezer for a month if the cost of electricity is $ 0.03 per kWh? Assume we take a month as 30 days.What is the average power consumption in watts of an appliance that uses 0.75 kWh of energy in one day?A hot water heater in a residential home runs for an average of 3.7 hours per day with a heat energy input of 3.7 kW. What would be the annual cost for hot water in this home using an electric hot water heater if the cost of electricity is $0.19/kWh [round your final answer to zero decimal places]?
- A cylinder containing 239.6 cubic centimeter of gas at a pressure of 342 kPa when its temperature is 406 K. Given that its volume is unchanged when the pressure was increased by a factor of 1.2, Determine the new Temperature of the gas (In Kelvin). Note: Your answer must be in Kelvin, however, do not include the unit, just enter the magnitude that corresponds to the final volume in Kelvin. Round your answer to 2 decimal points Round your answer to 2 decimal pointsIf the cost to do business for a particular company is $4,000 for the startup fee plus $250 per day thereafter, write a graph linear equation that could represent the cost over time. How much cost will there be after 1 month (assume that there are 30 days in that month's time)?A microwave oven has a power requirement of 1,244W. A frozen dinner requires 5.8 minute to heat on full power. How much electrical energy in kWh is used ? If the cost of electricity is 17cents per kWh, how much does it cost to heat the dinner?
- The outside temperature can be estimated based on how fast crickets chirp. At 104 chirps per minute, the temperature is 6363 °F. At 176 chirps per minute, the temperature is 8181 °F. Using this information, you can make a formula that relates chirp rate to temperature. Assume the relationship is linear, that is the points form a straight line when plotted on a graph. What is the temperature if you hear 156156 chirps per minute?The metric unit for measuring heat is the calorie. true or falseWhat is the diameter, to the nearest ruler fraction, of a wire with an area of 2900 circular mils?