Though we sum up a day as 24 hours and a year as 365 days, Earth's rotational and orbital speeds aren't exactly consistent. Instead, both fluctuate, swayed by atmospheric drag, tidal forces, changes ...

Talk about making the world go round. Earth’s rotational speed is changing, and we’re more than partly responsible. A gigantic dam, our extraction of groundwater, melting ice sheets and rising sea ...

When was the speed of earth's rotation first calculated? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world.

Let me get rid of the θ and r3 terms where: This gives an angular momentum of: The same as before. So, although the person is moving in a straight line the angular momentum (about that rotation point) ...