Compare the kinetic energy loss rate to the solar radiation loss rate.
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Compare the kinetic energy loss rate to the solar radiation loss rate.
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- Explain the effect of temperature to the efficiency result of radiationThe use of renewable solar energy becomes popular due to its free source. In your own opinion, is it economical compared to power generated by fossil fuels? Give brief explanationCalculate the value of work done to move a cycle of 3 kg to distance of 3.1 m
- Calculate the total electrical energy consumed for a load usage of 6 lamps (20 watts each) for 5 hrs a day. Total Electrical Energy consumed per day in watt hours=Calculate the total electrical energy consumed for a load usage of 6 fans (59 W each) for 9 hours a day.Pls.answer thank you! A classroom that normally contains 40 people is to be air-conditioned with window air-conditioning units of 5 KW cooling capacity. A person at rest may be assumed to dissipate heat at a rate of about 360 KJ/hr. There are 10 light bulbs in the room, each with a rating of 100 watts. The rate of heat transfer to the classroom through the walls and the windows is estimated to be 15,000 KJ/hr. If the room air is to be maintained at a constant temperature of 21°C, determine the number of window air-conditioning units required.
- Is there a possibility that vibration energy can be converted to electrical energy? Discuss.Name three other examples of heat energy transfer in the homeWhich of the following terms describes the temperature difference in Fo that must exist across thesurface area of a structure to drive 1 Btu per hour through 1 square foot of surface.
- What are the SI and U.S. Customary units for energy?An air-cooled window DX unit is used for space cooling. The unit has a capacity of 4.5 tons and has a SEER of 15. If the unit operates for 2204 hours during the summer, how many kWh of electricity will be used? Hint: In the U.S., the SEER is the ratio of cooling in British thermal units (BTUs) to the electrical energy consumed in watt-hours. You may need to convert the unit in this process.Which of the following terms describes the temperature difference in F o that must exist across thesurface area of a structure to drive 1 Btu per hour through 1 square foot of surface.