/sci/ - Science & Math

>>9657612
You're a complete and total idiot. KYS.

>>9016581
Oooo... you so edgy and smawty.

>>8967669
>Eratosthenes expirements on the earths curvature
>I did my research,

E's experiment had nothing to do with proving whether the Earth is round or not. Clearly, you are *not* doing your research. E, like the everyone else at the time, knew the Earth was round. So E knew how to use shadowplay to determine its size.
And *that* is why we call you stupid. You *don't* do research.

Spinning. In the grand play of this stupid thread it doesn't mean much, but just to be accurate:
Earth's circumference: 24,901 miles
Sidereal period: 23.9333 hours
Rotational speed at equator: 1040.4 mph.
Multiply that by the cosine of your latitude, and you have the speed at which you are rotating around the earth.