# What is the relationship between the radius and period when talking about the rotation of planets?

In case of earth the speed is 40070K meters divided by 24 hours.

1670 kilometer per hour.

At 45 degrees latitude, this will be cos 45 x 1670 kilometers.0.707 x 1670.= 1180 kilometers per hour. As latitude decreases, speed also changes.

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Kepler's third law, which states that the square of the orbital period is directly proportional to the cube of the semi-major axis (radius) of the orbit, describes the relationship between the radius and period in planetary rotation.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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