Question

The distance of a planet from the sun is 5 times the distance between earth and the sun. The time period of the planet is

Answer 1

Dp = De×5
Dp = 149.6 million km×5
Dp= 748 million km
K =T²/R³
R³ = T²
(149.6 million km)³= T²
Square root both sides
(149.6 million km)²= T
it's the period of revolution of Earth

Then period of revolution of planet
(748 million km)³ = T²
Square root both sides
(748 million km)² = T
It's the period of revolution of planet

Answer 2

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