Suppose that tourist went on foot over the Globe equator. How many meters more track made ​​his hat on his head as the shoes on your feet? The radius of the earth is 6378 km and height of the tourist is 1.7 m.

Correct result:

x =  10.7 m


x=x1x2=2π(R+1.7)2πR=2π1.7=10.7 m

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