Maths
posted by Realone on .
The speed of a point A due to the rotation of the earth is twice that of a point B.If A is on latitude 22°N.calculate the latitude of B

Check the diagram. The radius of the latitude at angle θ is r*cosθ.
Since speed is proportional to the radius of rotation, if B is at angle θ,
r cos22° = 2r cosθ