⚙️ap physics c: mechanics review

Kepler's Third Law

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Kepler's Third Law states that for any two objects orbiting each other, the square of their orbital periods (the time it takes for one complete orbit) is directly proportional to the cube of their average distance from each other.

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