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Zachb34
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Assuming the AUV only relies on a ballast system to ascend and descend, and that the ballast is completely empty of water at the surface and completely full of water at the seafloor, will they ascend and descend at the same rate? Assume the AUV is neutrally buoyant at the surface for simplicity's sake. Using the terminal velocity equation Vt=sqrt(2mg/pACd), I use the density of saltwater for p, but unsure if m should be the mass of the whole system in water or just the mass of the ballast. Any help would be great, a friend and I are having a disagreeing over it.
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