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Four bricks of length L, identical and uniform, are stacked on top of one another in such a way that part of each extends beyond the one beneath.
a4
Find, in terms of L, the maximum values
the following, such that the stack is in equilibrium.
(а) а1 %3
x L
(b) а2 %3
x L
(с) аз %3
(d) a4
%3D
(е) h
x L

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