At the surface of the ocean, the water pressure is the same as the air

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At the surface of the ocean, the water pressure is the same as the air pressure above the water, 15 lb/in2. Below the surface, the water pressure increases by 4.34 lb/in2 for every 10 ft of descent. (a) Express the water pressure P (in Ib/in2) as a function of the depth d in feet below the ocean surface. P(d) = Ib/in2 (b) At what depth (in ft ) is the pressure 50 lb/in2? (Round your answer to the nearest whole number.) ft

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At the surface of the ocean, the water pressure is the same as the air pressure above the water,

15 l b / {i n}^{2}

. Below the surface, the water pressure increases by

4.34 l b / {i n}^{2}

for every

10 f t

of descent. (a) Express the water pressure

P

(in

I b / {i n}^{2}

) as a function of the depth

d

in feet below the ocean surface.

P (d) =

◻

I b / {i n}^{2}

(b) At what depth (in

f t

) is the pressure

50 l b / {i n}^{2}

? (Round your answer to the nearest whole number.)

◻

f t

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