SOLUTION: Suppose a man 1.7 m tall could walk around the earth along a great circle whose radius is 6371.64 km. Determine the difference in the distances traveled by his head and his feet.

Question 1153285: Suppose a man 1.7 m tall could walk around the earth along a great circle whose radius is 6371.64 km. Determine the difference in the distances traveled by his head and his feet.
A. 10.28 m
B. 10.68 m
C. 11.46 m
D. 11.83 m
Answer by ikleyn(52780) (Show Source): You can put this solution on YOUR website!
.


The difference is  times the person's height,


so the ANSWER is   = 10.68 meters.


Indeed, the difference =  -  = .

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An amazing fact is that

    this difference does not depend on the value of the radius of the Earth (!)

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