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2.1 In figure 2.1, a block of density = 687 kg/m3 floats face down in seawater of density
�
�HH = 1030 kg/m3. The block has height H = 9.0 cm.
2.1.1 By what depth h is the block submerged?
(4)
2.1.2 If the block is held fully submerged and then released, what is the magnitude of its
acceleration?



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