(急!)用天平,烧杯,水,测量鸡蛋的密度!没有量筒怎么测!!!!

2025-03-15 16:47:20
推荐回答(4个)
回答1:

mg=p牌gv牌
1
用天平称出奖牌的重量mg
2
把奖牌放入烧杯,用量筒量v1的水倒入烧杯,烧杯上显示的可度为v2
v牌=v排=v2-v1
则p牌=m/g(v2-v1)

回答2:

将一定量的水倒入烧杯,记录下水的升度(体积)V1。将鸡蛋放入,记录这时的升度(体积)V
鸡蛋的体积V2=V-V1
用天平测出鸡蛋的质量
p=m/v(p为密度)
答案没有抄袭,请参考吧!

回答3:

先测鸡蛋质量m1。然后烧杯装满水测质量m2。再放入鸡蛋使其溢出一些水(要保证鸡蛋完全淹没)再测质量m3。m3-m2得到剩下水的质量,m1-(m2-m3)得到溢出水的质量,再除以水的密度得到溢出水的体积,即鸡蛋体积。

回答4:

先测鸡蛋质量m-蛋。然后烧杯装满水测质量m-杯水。再放入鸡蛋使其溢出一些水(要保证鸡蛋完全淹没),再测质量m-蛋杯水。m-蛋杯水减去m-蛋得到剩下水的质量:(m-杯水)
-
[(m-蛋杯水)
-(m-蛋)]得到溢出水的质量m-溢水,再除以水的密度得到溢出水的体积,即鸡蛋体积v-蛋。
鸡蛋密度=m-蛋/v-蛋。

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