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1 September, 14:13

What is the pressure at the very bottom of a lake, which is 432 ft deep? (assume an air pressure of 1.013 ✕ 105 pa.) ?

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  1. 1 September, 17:40
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    Preasure at the bottom would be Air Pressure at the top added to the pressure due to the water height.

    so pressure = air pressure + hdg

    where,

    h = depth of the lake, (432ft into metres)

    d = density of water (1000kg/m^3)

    g = 9.81 m/s^2 (approx.)
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