8.14 A Saturn year is 29.5 times the earth year. How far is the Saturn from the sun if the earth is 1.50 × 108 km away from the Sun?
8.14 A Saturn year is 29.5 times the earth year. How far is the Saturn from the sun if the earth is 1.50 × 108 km away from the Sun?
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1 Answer
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Distance of the Earth from the Sun, = 1.50 × 108 km = 1.5 × 1011 m
Time period of the Earth = , Time period of the Saturn =
Distance of Saturn from the Sun =
From Kepler’s 3rd law of planetary motion, we have T =(
For Saturn and Sun, we can write, =
= = 1.5 × 1011 = 1.4 X m
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