Sea water has density

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Fluids · Fluids

Problem

Sea water has density 1.03×103 kg/m31.03 \times 10^{3}\,\text{kg/m}^3. Assuming the sea water behaves as an incompressible fluid, what is the gauge pressure at a depth of 25 m25\,\text{m} below the surface? (Take g=9.8 m/s2g = 9.8\,\text{m/s}^2.) (a) 1.3×105 Pa1.3 \times 10^{5}\,\text{Pa} (b) 3.5×105 Pa3.5 \times 10^{5}\,\text{Pa} (c) 2.5×105 Pa2.5 \times 10^{5}\,\text{Pa} (d) 2.5×104 Pa2.5 \times 10^{4}\,\text{Pa}

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