On a square plank 10cm thick and weighing 10kg, a 50-kg man stands. What is the smallest possible dimension of the plank that would most likely result in sinking? What is the mass that will cause half of the plank to go submerged?

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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On a square plank 10cm thick and weighing 10kg, a 50-kg man stands. What is the smallest possible dimension of the plank that would most likely result in sinking? What is the mass that will cause half of the plank to go submerged?

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