What is total pressure at 105 feet depth under sea level?

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Multiple Choice

What is total pressure at 105 feet depth under sea level?

Explanation:
Total pressure underwater comes from two parts: the pressure at the surface (atmospheric pressure) and the extra pressure from the water column above you (hydrostatic pressure). The atmosphere at the surface is about 14.7 psi. For seawater, the hydrostatic pressure adds roughly 0.44 psi for each foot of depth. At 105 feet, that’s 105 × 0.44 ≈ 46.2 psi. Combine them: 46.2 + 14.7 ≈ 60.9 psi. So the total pressure at 105 feet is about 60.9 psi, which matches the given choice.

Total pressure underwater comes from two parts: the pressure at the surface (atmospheric pressure) and the extra pressure from the water column above you (hydrostatic pressure). The atmosphere at the surface is about 14.7 psi. For seawater, the hydrostatic pressure adds roughly 0.44 psi for each foot of depth. At 105 feet, that’s 105 × 0.44 ≈ 46.2 psi. Combine them: 46.2 + 14.7 ≈ 60.9 psi. So the total pressure at 105 feet is about 60.9 psi, which matches the given choice.

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