How Do You Calculate Earth's Angular Velocity in Its Orbit?

[ch2kb0x]

Homework Statement

The radius of the Earth's very nearly circular orbit around the sun is 1.5*10^11.
Find the magnitude of the Earth's angular velocity in rad/s.

Homework Equations

The Attempt at a Solution

For this problem, I have no clue how to go about solving this. help would be nice.

 

[alphysicist]

Hi ch2kb0x,

Homework Statement

The radius of the Earth's very nearly circular orbit around the sun is 1.5*10^11.
Find the magnitude of the Earth's angular velocity in rad/s.

Homework Equations

The Attempt at a Solution

For this problem, I have no clue how to go about solving this. help would be nice.

The extra thing to use in this problem is that you know the period of the motion (the time to make one complete revolution). Do you see how to use that to find the velocity and angular velocity?