A SCUBA diver produces a spherical air bubble with bulk modulus B = 1.2 x 105 Pa and radius r1 = 2.9 mm while exploring a shipwreck below the surface of the ocean. The air bubble rises to the surface of the ocean and expands to a radius r2 = 3.8 mm. What is the difference in pressure between the surface and at the SCUBA diver's depth,
( Psurface − P diver )?
Then , V1 = 4/3 pi r1^3
V2 = 4/3 pi r2^3
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