A Circular Window 30 Cm in Diameter in a Submarine

question 58

Multiple Choice

A circular window 30 cm in diameter in a submarine can withstand a net maximum force of 5.20 × 10⁵ N without damage.What is the maximum depth in a fresh-water lake to which the submarine can go without damaging the window? The density of fresh water is 1000 kg/m³.

• A)680 m
• B)740 m
• C)1200 m
• D)750 m

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