# Physics

an open tank contains a layer of oil floating on top of a layer of water (of density 1000 kg/m3) that is 3.0 m thick, as shown. What must be the thickness of the oil layer if the gauge pressure at the bottom of the tank is to be 9.1×104 Pa? The density of the oil is 880 kg/m3?

1. 0
2. 5
1. 4.28

1. 0
posted by Han

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