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wu li xue jia chu de ti
Author(s): 
Pages: 56-57
Year: Issue:  Z2
Journal: Required Reading for Junior Middle School Students

Keyword:  胡克告诉我就这样回甲一杯水广义相对论毫米汞柱大气压强我将狭义相对论;
Abstract: <正>假期里,为使同学们过得更快乐、更有意义,我们特别精选了几位世界著名的物理学家出的几道趣味题,对此你有兴趣吗?一、胡克出的题我研究了弹簧的伸长与外力的关系.有一次,我把两根轻弹簧并在一起,在它们下面挂上一个砝码,结果每根弹簧都伸长了0.5厘米.后来,我又把这两根轻弹簧串起来,再挂上那个砝码,你知道这对弹簧共伸长多少厘米吗?
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