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Calculate how long it takes Neptune in earth years for one trip around the sun by using an average Sun-Neptune distance of 30 A.U. ( ) 0.735 earth years Show calculation: ( ) 1.84 earth years ( ) 3.37
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Calculate how long it takes Neptune in earth years for one trip around the sun by using an average Sun-Neptune distance of 30 A.U. ( ) 0.735 earth years Show calculation: ( ) 1.84 earth years ( ) 3.37 earth years ( ) 164 earth years

User Simon Staton
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1 Answer

9 votes

Answer:

164 earth years

Step-by-step explanation:

By Kepler's third law

r³/T² = constant

(30 A.U)³/T² = (1 A.U.)³/(1 earth year)²

so T = 30^1.5 = 164 earth years

User Gennady Kozlov
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