Answers

2015-03-15T21:53:22+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Let mass of sun = M
mass of planet = m
Time period = T
radius = r

T=2 \pi  \sqrt{ \frac{r^3}{GM} } \\ \\ \Rightarrow T^2=4 \pi ^2(\frac{r^3}{GM})=\frac{4 \pi ^2r^3}{GM}\\ \\ \Rightarrow M= \frac{4 \pi ^2r^3}{GT^2}
1 5 1
a small dought in second step how did u get 4pi2
square both sides
ok
thanks
i dont have points but i have many doughts how should i ask u know