Posted by **Anonymous** on Friday, March 18, 2011 at 6:46pm.

Compute the angular momentum of the earth arising from the following motions.

(a) Earth's orbital motion around the sun.

(b) Earth's rotation on its axis.

Can someone please help me with this question? Thanks

- Physics -
**drwls**, Saturday, March 19, 2011 at 2:07pm
(a) (earth's velocity in orbit)x(distance from sun)

(b) This requires the moment of inertia about its axis, I. Assume mass is uniformly distributed and use

I = (2/5)M*R^2

which applied to solid spheres.

The moment of inertia of rotation is

I*w

where w is the angular velocity of rotation. You can get that from the 24 hour period of a day.

## Answer This Question

## Related Questions

- Physics - Compute the angular momentum of the earth arising from the following ...
- physics - Calculate the angular momentum of the Earth the arises from its ...
- ap physics - (a) Calculate the angular momentum of Earth that arises from its ...
- Chemistry help - The earth moves round the sun in one year.the average earth-sun...
- Physics please HELP - What is the ratio of the spin angular momentum of the ...
- physics - What is the ratio of the spin angular momentum of the earth and its ...
- Phyics Toughest question on earth - Estimate the time difference between the ...
- Physics - The radius of the earth's orbit around the sun (assumed to be circular...
- heeeeeeeeeeeelp physics - Estimate the time difference between the longest day ...
- physics - please help - Assume the earth is a uniform sphere and that its path ...

More Related Questions