- #1

- 14

- 0

-Deleted-

Last edited:

- Thread starter Dark_Dragon
- Start date

- #1

- 14

- 0

-Deleted-

Last edited:

- #2

ideasrule

Homework Helper

- 2,266

- 0

Check your calculations. I get 1.92*10^30 kg.ok, so if my equation to find the mass of the sun is:

T²/R³ = 4п²/GM

and i used the orbital period (T²)(in seconds) and the distance from the sun (R³)(in metres) of say, venus, then i transform the equation to find "M" and i get:

M = 4π²(R³/T²) / G

M = (4π²)(1.08e+11/1.95e+7) / (6.67e-11)

=3.27e+15

but the mass of the sun is 1.98e+30.

- #3

- 14

- 0

-Deleted-

Last edited:

- #4

- 93

- 0

Check your orbital period. Make sure you convert the year into seconds and then square it.

- #5

- 14

- 0

ok scratch the last post, i got it, thank you for your help both of you!

much appreciated =)

much appreciated =)

- Last Post

- Replies
- 3

- Views
- 999

- Last Post

- Replies
- 7

- Views
- 1K

- Last Post

- Replies
- 1

- Views
- 1K

- Last Post

- Replies
- 3

- Views
- 5K

- Last Post

- Replies
- 4

- Views
- 41K

- Last Post

- Replies
- 1

- Views
- 2K

- Last Post

- Replies
- 4

- Views
- 1K

- Last Post

- Replies
- 1

- Views
- 2K

- Last Post

- Replies
- 25

- Views
- 24K

- Replies
- 6

- Views
- 641