Homework Help: Advanced chem

Posted by Momito on Friday, April 6, 2012 at 7:28am.

A rectangular block of wood is 40cm wide, 60cm long and 30cm deep. If its relative density is 0.7 and it floats with its 30cm side verticle, determine: (a)the length of the block above the water surface and (b)the minimum force required to completely submerge the block.
Please show your working so i can understand

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