推 youmehim:4πr^2 * I = P 04/26 16:24
→ Beachboy:阿，那我算出來了，3Q!!! 04/26 16:36
題目:
The Earth is 1.49x10^11 meters from the sun.
If the solar radiation at the top of the Earth's atmosphere
is 1340 W/m^2, what is the total power of the sun?
Ans: 3.74x10^26W
我算出來不論是數字或數量級，都跟答案差滿多的。
覺得一定是哪裡觀念錯誤。XDDD
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.122.194.115