angular speed= 2PI/day
convert that to radians/sec
Then tangentialspeed= above ang;ular speed times radius
for any other latitude, multipy all that by cosine Latitude
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 θ in the drawing) is the tangential speed two-thirds that of a person living in Ecuador?
2 answers
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