Kepler’s Third Law

00:00 1 marks

A planet orbits a star in a circular orbit of radius $r$ with orbital period $T$. What is the relationship between $r$ and $T$ according to Kepler’s third law?

A

$r \propto T^2$
B

$r^2 \propto T^3$
C

$r^3 \propto T^2$
D

$r \propto T$

Hint Hint

Hint

Recall that Kepler’s third law is expressed as $T^2 \propto r^3$.

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Answer Answer

Complete Answer

$r^3 \propto T^2$

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Answer Explanation Answer Explanation

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Common Errors Common Errors

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