一只容积为3×10-4m3的瓶内盛有0.2Kg的水,一只口渴的乌鸦每次将一块

一只容积为3×10-4m3的瓶内盛有0.2Kg的水,一只口渴的乌鸦每次将一块质量为0.01Kg的小石子投入瓶中,当乌鸦投了25块相同的小石子后,就能从瓶中喝到水了。求:(1)瓶内石块的总体积;(2)石块的密度。(6分)

答案

110-4m3 22.5×103kg/m3

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