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Calculate the centripetal acceleation of a point on the equator of earth due to the rotatin of earth about its wn axis . Radius of earth ` = 6400 km`.

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Calculate the centripetal acceleation of a point on the equator of earth due to the rotatin of earth about its wn axis . Radius of earth ` = 6400 km`.
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Centripetal acceleration, `a-c = R 4 pi^2 //T^2`
Here, `R= 6400 km and T= 24 hours. So
` a_c = (6400 xx (22/7)^2)/((24))^2 = 439 km h^(-2)`.
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