Scientists use the metric system chiefly because it is more ...

[Coya19@aol.com]

Scientists use the metric system chiefly because it is more accurate than the English system.
 
  A) True B) False

Question 2

The intensity of sunlight falling on the earth is about 1.4 kW/m2 (before any gets absorbed by our atmosphere). At what rate does the sun emit light energy? (The earth-sun distance = 1.5  108 km and the earth's radius = 6.4  103 km.)
 
  A) 4.0  1026 W
  B) 3.2  1022 W
  C) 7.2  1014 W
  D) 7.6  108 W

[mcarey591]

Answer to Question 1

B

Answer to Question 2

A