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SAT官方每日一题附答案和解析[数学](2018年4月16日)
日期:2018-04-16 09:40

(单词翻译:单击)

每日一题

Writing & Language

P=Pa+ρgh

The absolute pressure P in a fluid of density ρ at a given depth h can be found with the above equation, where Pa is atmospheric pressure and g is gravitational acceleration. Which of the following correctly expresses the depth in terms of the absolute pressure, atmospheric pressure, fluid density, and gravitational acceleration?

A.h=(P-Pa)/ρg
B.h=(P+Pa)/ρg
C.h=P/ρg-Pa
D.h=P/ρg+Pa

答案和解析

答案:A

解析:

Choice A is correct.
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