| Pete Gayde <pete.gayde@gmail.com>: Jan 28 03:35PM -0600 Mark Brader wrote: > country's outline. Naturally, the outlines are not all to the > same scale, but all of them show north at the top. > 1. Japan. 4 > 2. Nepal. 15 > 3. Finland. 8 > 4. Vietnam. 12 > 5. Portugal. 7 > 6. Ireland. 5 > 7. Hungary. 2 > 8. Sri Lanka. 13 > 9. Switzerland. 16 > 10. Libya. 6 > There were 8 decoys. Decode the rot13 if you'd like to try the > remaining countries for fun, but for no points. > 11. Phon. 14 > 12. Rtlcg. 9 > 13. Senapr. 3 > 14. Vfenry. 1 > 15. Xraln. 17 > 16. Cnxvfgna. 10 > 17. Cuvyvccvarf. 11 > 18. Fcnva. 18 > a series of star catalogues, written in cuneiform script > that contained lists of constellations, individual stars, > and planets. What nation? Persia; Egypt > as a branch of geometry used extensively for astronomical > studies. It is also the foundation of the practical art > of surveying. Name it. Algebra; Calculus > However, on the same day in Alexandria, he observed that > the sun was at an angle from the vertical -- thus proving > what fact? Earth is round > 4. Eratosthenes, using these same observations, the specific > angle of the sun in Alexandria, and an estimate of the > distance between the two cities, calculated what? Circumference of the Earth > 5. Pythagoras of Samos married music and mathematics by proving > that the pitch of a note played on a stringed instrument is > proportional to what? The length of the string from the bridge to the point where it is either pressed against the neck or crosses the "nut". > 6. Apply your Pythagorean theorem. In a right-angled triangle, > if one side is 5 inches long and the hypotenuse is 13 inches > long, how long is the other side? 12 > numbers which could not be precisely expressed in the way > that numbers previously had been. The Pythagoreans called > these "unspeakable numbers". What do we call them? Negative numbers; Prime numbers > 8. Consider the following sums of successive odd numbers: 1+3, > 1+3+5, 1+3+5+7, 1+3+5+7+9, and so forth. Pythagoras observed > that the answers form the sequence of what kind of number? Squares > 9. Archimedes is reputed to have said "Give me a place to stand > on and I will move the Earth!" His work on what fundamental > principle of mechanics prompted the remark? Fulcrum > must be perfectly spherical and move in perfect circles > at uniform speed became the guiding principle of astronomy > until the 17th century. Name him. Pete Gayde |
| Dan Tilque <dtilque@frontier.com>: Jan 28 05:16PM -0800 On 1/27/22 04:59, Mark Brader wrote: > country's outline. Naturally, the outlines are not all to the > same scale, but all of them show north at the top. > 1. Japan. 4 > 2. Nepal. 15 > 3. Finland. 8 > 4. Vietnam. 12 > 5. Portugal. 7 > 6. Ireland. 5 > 7. Hungary. 2 > 8. Sri Lanka. 13 > 9. Switzerland. 16 > 10. Libya. 6 > There were 8 decoys. Decode the rot13 if you'd like to try the > remaining countries for fun, but for no points. > 11. Phon. 14 > 12. Rtlcg. 9 > 13. Senapr. 3 > 14. Vfenry. 1 > 15. Xraln. 17 > 16. Cnxvfgna. 10 > 17. Cuvyvccvarf. 11 > 18. Fcnva. 18 > a series of star catalogues, written in cuneiform script > that contained lists of constellations, individual stars, > and planets. What nation? Babylon > as a branch of geometry used extensively for astronomical > studies. It is also the foundation of the practical art > of surveying. Name it. trigonometry > However, on the same day in Alexandria, he observed that > the sun was at an angle from the vertical -- thus proving > what fact? the Earth is spherical > 4. Eratosthenes, using these same observations, the specific > angle of the sun in Alexandria, and an estimate of the > distance between the two cities, calculated what? circumference of the Earth > 5. Pythagoras of Samos married music and mathematics by proving > that the pitch of a note played on a stringed instrument is > proportional to what? the length of the string > 6. Apply your Pythagorean theorem. In a right-angled triangle, > if one side is 5 inches long and the hypotenuse is 13 inches > long, how long is the other side? 12 inches > numbers which could not be precisely expressed in the way > that numbers previously had been. The Pythagoreans called > these "unspeakable numbers". What do we call them? irrational > 8. Consider the following sums of successive odd numbers: 1+3, > 1+3+5, 1+3+5+7, 1+3+5+7+9, and so forth. Pythagoras observed > that the answers form the sequence of what kind of number? perfect squares > 9. Archimedes is reputed to have said "Give me a place to stand > on and I will move the Earth!" His work on what fundamental > principle of mechanics prompted the remark? the lever > must be perfectly spherical and move in perfect circles > at uniform speed became the guiding principle of astronomy > until the 17th century. Name him. Plato -- Dan Tilque |
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