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in class test 1 - Version 059/AADCD – inclasstest 01 –...

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Unformatted text preview: Version 059/AADCD – inclasstest 01 – turner – (57340) 1 This print-out should have 2 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points A cylindrical habitat in space 8 . 7 km in diam- eter and 41 . 3 km long has been proposed (by G.K. O’Neill, 1974). Such a habitat would have cities, land, and lakes on the inside sur- face and air and clouds in the center. This would all be held in place by rotation of the cylinder about its long axis. How fast would the cylinder have to rotate to imitate the Earth’s gravitational field at the walls of the cylinder? The acceleration of gravity is 9 . 8 m / s 2 . 1. 0.0528773 2. 0.0493742 3. 0.0455661 4. 0.0661438 5. 0.0480479 6. 0.0540062 7. 0.0467707 8. 0.0523205 9. 0.0474644 10. 0.0557331 Correct answer: 0 . 0474644 rad / s. Explanation: Let : r = 4 . 35 km = 4350 m and g = 9 . 8 m / s 2 ....
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