36. Which of the following is true about energy from the sun? a. It arrives as mechanical energy in a wide range of wavelengths b. It arrives as radiation in a wide range of wavelengths c. It arrives as sound energy made up of only sound waves d. It arrives as radiation made up of only visible light

36. Which of the following is true about energy from the sun? a. It arrives as mechanical energy in a wide range of wavelengths b. It arrives as radiation in a wide range of wavelengths c. It arrives as sound energy made up of only sound waves d. It arrives as radiation made up of only visible light

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter13: Temperature, Kinetic Theory, And The Gas Laws

Section: Chapter Questions

Problem 47PE: Much of The 935 near the Sun is atomic hydrogen. Its temperature would have to be 1.5107K for the...

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(a) Calculate the power per square meter reaching Earth's upper atmosphere from the Sun. (Take the power output of the Sun to be 4.001026 W.) (b) Part of this is absorbed and reflected by the atmosphere, so that a maximum of 1.30 kW/m2 reaches Earth's surface. Calculate the area in km 2 of solar energy collectors needed to replace an electric power plant that generates 750 MW if the collectors convert an average of 2.00% of the maximum power into electricity. (This small conversion efficiency is due to the devices themselves, and the fact that the sun is directly overhead only briefly.) With the same assumptions, what area would be needed to meet the United States' energy needs (1.051020J) ? Australia's energy needs (5.41018J) ? China's energy needs (6.31019J) ? (These energy consumption values are from 2006.)
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Much of The 935 near the Sun is atomic hydrogen. Its temperature would have to be 1.5107K for the average velocity vrms to equal me escape velocity from the Sun. What is that velocity?
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