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Naddika [18.5K]
4 years ago
8

A window in a submersible needs to be able to withstand the incredible forces that water will exert at depth. If the window is 3

0 cm x 15 cm, what would the force exerted by the water be at a depth of 1 km
Physics
2 answers:
zhannawk [14.2K]4 years ago
5 0

Answer:

Explanation:

Area of the window, A = 30 cm x 15 cm = 0.045 m²

depth, h = 1 km = 1000 m

Let P is the pressure

P = h x d x g

where d is the density of water

P = 1000 x 1000 x 9.8 = 9.8 x 10^6 Pa

Force, F = Pressure x Area

F = 9.8 x 10^6 x 0.045

F = 4.41 x 10^5 N

jeka57 [31]4 years ago
5 0

Answer:

F=441000\ N

Explanation:

Given:

dimension of the window, (30\times 15)\ cm

depth of window under water, d=1000\ m

<u>We know that the pressure due to liquid column is given as:</u>

P=\rho.g.d

where:

\rho= density of water

g= acceleration due to gravity

d= depth of the water column at the desired position

P=1000\times 9.8\times 1000

P=9800000\ Pa

Now the force acting on the area of the window:

F=P.A

where:

A= area of the window

F=9800000\times (0.3\times 0.15)

F=441000\ N

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