Snow spheres and ice cubes: Solutions for Fermi Questions, February 2024

• John Adam ^[1]
  1. [1] Old Dominion University

     Old Dominion University

     Estados Unidos

     
• Localización: The Physics Teacher, ISSN 0031-921X, Vol. 62, Nº. 2, 2024, págs. 156-156
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • n standard calculus textbooks—usually as a problem on related rates—it is shown that for a snowball melting at a rate proportional to its surface area, its radius decreases at a constant rate regardless of its initial size. A further assumption (usually unstated) is that the snowball remains spherical as it melts.