Any time you have to climb a ladder, you want the ladder to remain in static equilibrium. Atwhat angle should a 60-kg painter place his ladder against the wall in order to climb two-thirdsof the way up the ladder and have the ladder remain in static equilibrium? The ladder's mass is10 kg and its length is 6.0 m. The exterior wall of the house is very smooth, meaning that itexerts a negligible friction force on the ladder. The coefficient of static friction between the floorand the ladder is 0.50.

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