Anonymous
The Earth spins because it formed in the accretion disk of a cloud of hydrogen that collapsed down from mutual gravity and needed to conserve its angular momentum. It continues to spin because of inertia.
The angular momentum of an object is defined relative to a fixed point. In the case of astronomy the Sun is used as the fixed point. The amount of angular momentum of an object with respect to a fixed point is proportional to the object’s moment of inertia and to the angular velocity relative to the fixed point. Multiplying those three factors gives the angular momentum. Angular velocity is defined by the right hand rule.(here is a link to a simple explanation of the right hand rule) The direction of angular momentum is the same as that of the angular velocity.
We do spin with the earth, as the earth rotates you do not remain in the same...
You're zipping along at 1,040 mph on Earth. The spinning is caused by...
Yes the Earth is always rotating. It spins at a speed of about 1000mph! .
Yep! The Earth rotates at a speed of 25000/24 or just over 1000 miles per hour.
The Earth rotates at a speed of 25000/24 or just over 1000 miles per hour.
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