The radial components of centripetal acceleration at poles of earth is.?
A) zero
B) rw2
C) r2w
D) infinity
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The centripetal acceleration is about 3.39 cm/sec^2 at the equator (I'm getting this number from the CRC Handbook of Chemistry and Physics), which is about 0.35% the acceleration of gravity at the surface of the earth, g.
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