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Tangential speeds

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The earth has a radius of 6.38 * 10^6 m and turns on its axis once every 23.9h.
A) What is the tangential speed (in m/s) of a person living in Ecuador, a country that lies on the equator?

B) At what latitude is the tangential speed one-third that of a person living in Ecuador?

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Solution Summary

The expert calculates the tangential speed of a person on the equator.

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A) What is the tangential speed (in m/s) of a person living in Ecuador, a country that lies on the equator?
R= 6.38 * 10^6 m
w =2 pi / T= (2 x 3.14)/(23.9 x 60 x 60 ) rad/sec =7.298 * 10 ...

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