The Mariana trench is located in the floor of the Pacific Ocean at a depth of about 11400 m below the surface of the water. The density of seawater is 1025 kg/m3. (a) If an underwater vehicle were to explore such a depth, what force would the water exert on the vehicle's observation window (radius = 0.11 m)? (b) For comparison, determine the weight of a jetliner whose mass is 1.40 105 kg.

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