长江三峡大坝正常蓄水位为175m,现蓄水深度为130m,则坝底所受水的压强为Pa,距坝底30m处所受水的压强为Pa.

时间:2024-04-30 08:58:57 5A范文网 浏览: 平时作业 我要投稿

问题描述:

长江三峡大坝正常蓄水位为175m,现蓄水深度为130m,则坝底所受水的压强为___Pa,距坝底30m处所受水的压强为___Pa.
最佳答案

(1)长江三峡大坝现蓄水深度h1=130m,则坝底所受水的压强:p1=ρgh1=1.0×103kg/m3×10N/kg×130m=1.3×106Pa;(2)距坝底30m处的深度:h2=130m-30m=100m,距坝底30m处所受水的压强:p2=ρgh2=1.0×103kg/m3×10N/...

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