A ladder of length L= 5 m and mass m = 12 Kg is leaning against the wall shown. Static friction 0.48 acts on the foot of the ladder and is placed 3 m away from the wall .How far along the ladder 60 kg person climb above the ground before it starts to slip.
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A ladder is leant against the wall. The coefficient of the static friction μsw between the ladder and the wall is 0.3 and the coefficient of the static friction μsf between the ladder and the floor is 0.4. The centre of mass of the ladder is in the middle of it. Find the minimum angle that the ladder can form with the floor not to slip down.
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