An object takes 29.5 years to orbit the Sun. What is its average distance from the...

Question

Question

An object takes 29.5 years to orbit the Sun. What is its average distance from the Sun?

a. 29.5 AU

b. 14.75 AU

c. 9.55 AU

Answer 1

Answer #1

using keplers 3rd law of planetary motion

T^2 = 4 pi^2 R^3 / ( GM)

(29.5* 365* 24*3600)^2 = 4*3.14^2 * R^3 / (6.67*10^-11* 1.99*10^30)

R = 9.55 AU

otpion (c) is correct

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do comment in case any doubt, will reply for sure.. Goodluck

Answer 2

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