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Question
A barn is an atomic unit of area equal to 10-28m2. What is the surface area of the Earth expressed in units of barn? Assume the Earth is a sphere with a radius of 6380km. (The surface area of a sphere is 4
r2.)
A) 5.12 x 1042barn
B) 5.12 x 10-20barn
C) 5.12 x 1036barn
D) 5.12 x 10-14barn
E) 5.12 x 1030barn
Answer
This answer is hidden. It contains 1 characters.
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