A Cylindrical Space Colony 8 Km in Diameter and 30

question 68

Multiple Choice

A cylindrical space colony 8 km in diameter and 30 km long has been proposed as living quarters for future space explorers.Such a habitat would have cities,land and lakes on the inside surface and air and clouds in the center.All this would be held in place by the rotation of the cylinder about the long axis.How fast would such a cylinder have to rotate to produce a 1-g gravitational field at the walls of the cylinder?

• A) 0.05 rad/s
• B) 0.10 rad/s
• C) 0.15 rad/s
• D) 0.20 rad/s

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Definitions:

Fiddleheads

The furled fronds of a young fern, harvested for use as a vegetable.

Vascular Tissue

Plant tissues that are involved in the transportation of water, nutrients, and sugars throughout the plant, comprising xylem and phloem.

Pteridophytes

Non-flowering plants that reproduce and disperse via spores, including ferns, horsetails, and clubmosses, distinct from seed plants in their lifecycle.

Gametophyte Dominant

Referring to a life cycle stage in certain plants and algae where the gametophyte is the more prominent or long-lived phase, compared to the sporophyte phase.