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Quantum CyberTeaser: March/April 2000


B289

Smooth ascent. Two circular towers are the same height but have different diameters. A spiral staircase runs around each of the towers from top to bottom. The slopes of the staircases are identical and constant. Which staircase is longer?

Solution

Smooth ascent

The winners:

  • Helio Waldman (Campinas, Brazil)
  • John E. Beam (Bellaire, Texas)
  • Jerold Lewandowski (Troy, New York)
  • Rick Armstrong (St. Louis, Missouri)
  • Vincze Zsombor (Szeged, Hungary)
  • Maxim Bachmutsky (Kfar-Saba, Israel)
  • Theo Koupelis (Wausau, Wisconsin)
  • Bruno Konder (Rio de Janeiro, Brazil)
  • Mirella Murad (Curitiba, Brazil)
  • Michael H. Brill (Morisville, Pennsylvania)

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