The Mariana trench is located in the floor of the Pacific Ocean at a depth of ab

Question

The Mariana trench is located in the floor of the Pacific Ocean at a depth of about 11200 m below the surface of the water. The density of seawater is 1025 kg/m3.

The Mariana trench is located in the floor of the Pacific Ocean at a depth of about 11200 m below the surface of the water. The density of seawater is 1025 kg/m3. If an underwater vehicle were to explore such a depth, what force would the water exert on the vehicle's observation window(radius = 0.15 m)? For comparison, determine the weight of a jetliner whose mass is 1.00 times 105 kg.

Explanation / Answer

a.)F=P*A

=1025*9.81*11200*4*pi*0.15^2

=31.84*10^6 N

b.)weight=1*10^5*9.81

=9.81*10^5 J

so calculated force is much higher then weight of jetliner

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