In the figure, a ladder of length L = 11 m and mass m = 48 kg leans against a slick (frictionless) wall. The ladder's up

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In the figure, a ladder of length L = 11 m and mass m = 48 kgleans against a slick (frictionless) wall. The ladder's upper endis at height h = 8.8 m above the pavement on which the lower endrests (the pavement is not frictionless). The ladder's center ofmass is L/3 from the lower end. A firefighter of mass M = 74 kgclimbs the ladder. Let the coefficient of static friction μsbetween the ladder and the pavement be 0.46. How far (in percent)up the ladder must the firefighter go to put the ladder on theverge of sliding?