:The artificial gravity effect is proportional to the radius of rotation, so a 600'long rod should do.
2.
If a point object is rotating at radius r, and the radius of rotation is suddenly halved, by the consevation of angular momentum the velocity will double.
3.
The formula for the centripetal force implies that the radius of rotation grows with the square of the orbital period, so a doubling of the orbital period requires a fourfold increase in the radius of rotation.
4.
The formula for the centripetal force implies that the radius of rotation grows with the square of the orbital period, so a doubling of the orbital period requires a fourfold increase in the radius of rotation.
5.
For example, to produce standard gravity, = with an orbital period of 15 s, the radius of rotation would have to be, while an orbital period of 30 s would require it to be.
6.
:: : I will note in passing that there are proposals on the boards that allow for the use of centrifugal gravity ( with a large radius of rotation ) in a'small'spacecraft for a long-term mission to Mars.
7.
For example, if the moments of inertia of hub, spokes and shaft are deemed negligible, and the rim's thickness is very small compared to its mean radius ( R ), the radius of rotation of the rim is equal to its mean radius and thus:
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