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Home Q & A Board Science-Related Homework Help Physics
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jules15 jules15
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11 years ago
Here is the question:

The asteroid belt that lies between Mars and Jupiter may be the debris of a planet that broke apart or did not form. This belt has a period of 5.0 years. How far (in AU) from the sun would this "fifth" planet have been?

I have been re-reading this problem trying to determine which formula to use and I have no idea how to go about solving it. I though maybe the formula for kepler's constant but I only have the p. No constant or a.
Help please?
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wrote...
#1
11 years ago
Kepler's Second Law of Planetary Motion:

P^2 = A^3
wrote...
#2
11 years ago
The base equation is P^2 = A^3 where 'P' is period and 'A' is distance

Since you want to know 'A' change the equation to A = P^2/3 and solve.
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