Walk around the earth problem.

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If a h tall person walked around the earth, how much farther would his head travel than his feet?

Jul 2nd, 2015

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Assume that the Earth is a sphere.

Let radius of the Earth be r.

Distance traveled by the person's feet = Circumference of circle with radius "r" = 

Distance traveled by the person's head =Circumference of circle with radius of "r + h"  = 

Difference = 


So, the persons head would have traveled an extra distance of  than his feet.

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Jul 2nd, 2015

Finally correct response! Previous 2 tutors failed. 

Jul 2nd, 2015

:)

Jul 2nd, 2015

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