What is the psi 15 ft above the bottom of a lake that is 367 ft deep?

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Multiple Choice

What is the psi 15 ft above the bottom of a lake that is 367 ft deep?

Explanation:
The main idea is hydrostatic pressure: pressure in a water column increases with depth, roughly 0.433 psi for every foot of depth. The point 15 ft above the bottom is 367 ft − 15 ft = 352 ft below the surface, so the pressure is 352 × 0.433 ≈ 152 psi (gauge pressure). If you needed absolute pressure, add atmospheric pressure (about 14.7 psi).

The main idea is hydrostatic pressure: pressure in a water column increases with depth, roughly 0.433 psi for every foot of depth. The point 15 ft above the bottom is 367 ft − 15 ft = 352 ft below the surface, so the pressure is 352 × 0.433 ≈ 152 psi (gauge pressure). If you needed absolute pressure, add atmospheric pressure (about 14.7 psi).

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