Author Question: The Earth intercepts 1.27 1017 W of radiant energy from the Sun. Suppose the Earth, of volume 1.08 ... (Read 77 times)

LaDunn · **on:** Jul 28, 2018

The Earth intercepts 1.27 1017 W of radiant energy from the Sun. Suppose the Earth, of volume 1.08 1021 m3, was composed of water. How long would it take for the Earth at 0C to reach 100C, if none of the energy was radiated or reflected back out into space?
a. 26.9 y
b. 113 y
c. 2.69 104 y
d. 1.13 105 y
e. 2.69 107 y

Question 2

If a person in Alaska were locked out of his house on a day when the temperature outside was -40C, his thick clothing would mostly reduce the loss of thermal energy by
a. conduction.
b. convection.
c. radiation.
d. all of the above. e. convection and radiation.