Statement of a problem № 10937


The earth has a radius of 6.38 × 106 m and turns on its axis once every 23.9 h. (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 (i.e., the angle u in the drawing) is the tangential speed one-third that of a person living in Ecuador?

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