Question 158: Gravitation

Question

The distance between Sun and Earth is R. The duration of year if the distance between Sun and Earth becomes 3R will be :

Accepted Answer

We know that
T
2
$$\propto$$ R
3
$$ \Rightarrow {\left( {{{T'} \over T}} \right)^2} = {\left( {{{3R} \over R}} \right)^3}$$
$$ \Rightarrow {{T'} \over T} = 3\sqrt 3 $$
$$ \Rightarrow T' = 3\sqrt 3 $$ years

Answer

$$\sqrt 3 $$ years

Answer

3 years

Answer

9 years

Answer

3$$\sqrt 3 $$ years

Gravitation

The distance between Sun and Earth is R. The duration of year if the distance between Sun and Earth becomes 3R will be :

Choose the correct answer: