送交者: 008 于 2007-09-13, 14:43:56:

回答: E=mc2的系数问题俺还是没明白。 由 Amsel 于 2007-09-13, 14:39:02:

• no no - check wiki for "fundamental dimensions" - meiyou (206 bytes) 2007-09-13, 14:56:37 (170255)
  • I don't think wiki can tell you what mass is (无内容) - 008 (0 bytes) 2007-09-13, 14:59:52 (170258)
    • kg is a fundamental not derived unit as you suggested - meiyou (203 bytes) 2007-09-13, 15:18:57 (170278)
• 不同意。m的单位是目前是由千克原器来的，c是实测的，E的单位是导出的。 (无内容) - Amsel (0 bytes) 2007-09-13, 14:48:02 (170249)
  • 这个公式速度用的米秒质量用公斤能量用焦耳 (无内容) - HunHunSheng (0 bytes) 2007-09-13, 15:11:58 (170268)
  • how many people here think m is "mass"? and what is mass? (无内容) - 008 (0 bytes) 2007-09-13, 14:56:59 (170256)
    • Becoming philosophical. "Mass" is "out of mind" (无内容) - 赤城 (0 bytes) 2007-09-13, 15:08:15 (170262)
      • Mass is a physical quantity, has nothing to do with philosophy. (无内容) - 008 (0 bytes) 2007-09-13, 15:09:56 (170265)
        • Think again. (无内容) - 赤城 (0 bytes) 2007-09-13, 15:11:03 (170267)
          • It thinked again and again, still believe philosophy is just a pile of ... (无内容) - 008 (0 bytes) 2007-09-13, 15:15:31 (170273)
            • Congratulations! The same conclusion reached by Richard Feynman years ago. (无内容) - 赤城 (0 bytes) 2007-09-13, 15:20:25 (170280)

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