At the bottom edge of a smooth wall, an inclined plane is kept at an angle of 45^(0). A uniform ladder of length l and mass M rests on the inclined plane against the wall such that it is perpendicular to the incline. If 1/n, Is the minimum coefficient of friction with ''B'' necessary so that the ladder does not slip on the incline. n = ?

At the bottom edge of a smooth wall, an inclined plane is kept at an a

1.	At the bottom edge of a smooth wall, an inclined plane is kept at an angle of 45^(0). A uniform ladder of length l and mass M rests on the inclined plane against the wall such that it is perpendicular to the incline. If 1/n, Is the minimum coefficient of friction with ''B'' necessary so that the ladder does not slip on the incline. n = ?
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