astronomy question, please help me?

The total annual U.S. energy consumption is about joules. What is the average power requirement for the United States, in watts? (Hint: 1 = 1 ) With current technologies and solar collectors on the ground, the best we can hope… Continue Reading

homework question in astronomy?

The total annual U.S. energy consumption is about joules. What is the average power requirement for the United States, in watts? (Hint: 1 = 1 ) With current technologies and solar collectors on the ground, the best we can hope… Continue Reading

Question about Astronomy?

The total annual U.S. energy consumption is about joules. What is the average power requirement for the United States, in watts? (Hint: 1 = 1 ) With current technologies and solar collectors on the ground, the best we can hope… Continue Reading

What is the average power requirement for the United States, in watts? (Hint: 1 = 1 )?

The total annual U.S. energy consumption is about 2 x 10^20 joules. With current technologies and solar collectors on the ground, the best we can hope for is that solar cells will generate an average (day and night) power of… Continue Reading

Solar-Powered Pumps Aid African Farmers

This is the VOA Special English Development Report, from voaspecialenglish.com A new study in West Africa shows how farm irrigation systems powered by the sun can produce more food and money for villagers. The study in Benin found that solar-powered… Continue Reading