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[" If the air density were uniform,then ...

[" If the air density were uniform,then the height of the "],[" atnosphere above the sea level to produce a normal "],[" atmospheric pressure of "1.0times10^(" F ")" Pa is (density of air "],[" is "1.3kg/m^(3),9=30m/s^(2)" ) "],[[" 1) "0.77km," ( "7.7km," 3) "77km]]

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