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The planet Earth orbits around the Sun and also spins on its own axis.
a) Calculate the angular momentum, in kilogram meters squared per second, of the Earth in its orbit around the Sun.
b) Calculate the angular momentum, in kilogram meters squared per second, of the Earth spining on its axis.
c) How many times larger is the angular momentum of the Earth in its orbit than the angular momentum of the
Earth spinning on its axis?



Answer :

In its orbit around the Sun, Earth has an angular momentum of 2.661 1040 kg/m2/s.

what is angular momentum?

A rotating object's property that is determined by its moment of inertia multiplied by its angular velocity is known as angular momentum. It is a characteristic of rotating bodies determined by their combined moments of inertia and angular velocities.

What governs angular momentum?

In the equation for angular momentum, L stands for angular momentum, I for rotational inertia, and (the Greek symbol omega) for angular velocity. This can be put more simply by saying how an entity's angular momentum is equal to the sum of its mass, speed, and separation from the point of rotation.

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