[解題] 高中 物理有關彈簧
1.年級:高中
2.科目:物理
3.章節:力
4.題目:http://www.wretch.cc/album/show.php?i=benes86&b=2&f=1352221827&p=0
5.想法:答案是L1=L2=L3=L4 (伸長量都相等)
我知道L1=L2,但是為什麼L3跟L4會跟L1和L2一樣?
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