14 . A submarine is operating at 100.0 m below the surface of the ocean. If the
ID: 1409244 • Letter: 1
Question
14.A submarine is operating at 100.0 m below the surface of the ocean. If the air inside the submarine is maintained at a pressure of 1.0 atmosphere, what is the magnitude of the force that acts on the rectangular hatch 2.0 m 1.0 m on the deck of the submarine? 14.A submarine is operating at 100.0 m below the surface of the ocean. If the air inside the submarine is maintained at a pressure of 1.0 atmosphere, what is the magnitude of the force that acts on the rectangular hatch 2.0 m 1.0 m on the deck of the submarine? 14.A submarine is operating at 100.0 m below the surface of the ocean. If the air inside the submarine is maintained at a pressure of 1.0 atmosphere, what is the magnitude of the force that acts on the rectangular hatch 2.0 m 1.0 m on the deck of the submarine?Explanation / Answer
Using the density () of sea water of about 1027 kg/m³
Since = m/v
The force ultimately comes from the weight of the column of water above the area in question. In this case it's a rectangular column of height of 100 m and cross-sectional area of the window 2 m x 1 m.
...and m = v = 1027*200 = 205400 kg
Then F = mg = 2012920 N
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