find the radius of motion at latitude 52deg. At zero latitude, rad=re, at latitude theta, rad=re*cosineTheta.
So you know ang velocity, radius
Centripetal acceleration=w^2*r
remember the radius of motion is the distance from the Point on the surface to the AXIS of rotaion, not the distance to the center of the Earth.
How to find the centripetal acceleration of an object that is at a latitude of 52 degree to the equator given the radius of earth=6400km and angular vel of Earth about its axis=7.3 x 10^-5 rad/s ?
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