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在物理习题中,有一类求物理量之比的习题.按常规求法,层次麻烦,且容易出错.现介绍一种简易求比值的方法.[例]铜比热是铅比热的3倍.质量相等
In physics exercises, there is a class of exercises for the ratio of physical quantities. According to the conventional method, the level of trouble, and prone to error. Now introduce a simple way to find the ratio. [Example] copper specific heat is 3 times the lead specific heat. equal