# Circular motion: Centripetal acceleration

The centripetal acceleration at the equator is about 3.4 cm/s^2. Use that information and the length of a day to estimate the radius of the earth. Show each step and each formula needed and the final answer.

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The centripetal acceleration at the equator is about 3.4 cm/s^2. Use that information and the length of a day to estimate the radius of the earth. Show each step and ...

#### Solution Summary

The centripetal acceleration at a point of the equator and the length of the day is given. The radius of the earth is calculated.

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