Question

what is the rate of change of angular momentum of Earth about the Sun​

Answer 1

Answer:

Formala = p = m*v. With a bit of a simplification, angular momentum (L) is defined as the distance of the object from a rotation axis multiplied by the linear momentum: L = r*p or L = mvr.

The average angular momentum is mvr, treating the Earth as if it were a point mass. Earth takes 365 days to go one complete circle around Sun. There is no special name for this combination of units. The direction of the vector is perpendicular to the orbit. E.g.. The orbit of the Earth around the Sun modifies our angular velocity around the galaxy. This is actually proportionately quite a large effect: about 8% over a sidoreal year.

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