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A uniform ladder of length l rests again...

A uniform ladder of length `l` rests against a smooth, vertical wall (figure). If the mass of the ladder is `m` and the the coefficient of static friction between the ladder and the ground is `mu_(s) = 0.375` and the minimum angle `theta_(min)` at which the ladder does not slip.

A uniform ladder at rest, leading against a smooth wall. Th ground is rough.

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