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 10500 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 = 0.12 m)?  

The Mariana trench is located in the floor of the Pacific Ocean at a depth of about 10500 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 = 0.12 m)? For comparison, determine the weight of a jetliner whose mass is 1.20 times 105 kg

Explanation / Answer

a) Force = Pressure * area = rho*g*h * ( pi*r*r)

= 4771463 N

b) weight of jetliner = 120000 * 9.8 = 1176000 N

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