please answer this correctly the last person failed

A 14.0m uniform ladder weighing 480N rests against a frictionless wall. The ladder makes a 57.0-angle with the horizontal. horizontal force magnitude It may be helpful to think first about the force the wall exerts on the ladder. How is this related to the force that the ground exerts on the ladder? direction vertical force magnitude direction (b) If the ladder is just on the verge of slipping when the firefighter is 9.20m from the bottom, what is the coefficient of static friction between ladder and ground? It may be helpful to think first about the force the wall exerts on the ladder. How is this related to the force that the ground exerts on the ladder? from the bottom before the ladder slips? m A 14.0m uniform ladder weighing 480N rests against a frictionless wall. The ladder makes a 57.0-angle with the horizontal. horizontal force magnitude It may be helpful to think first about the force the wall exerts on the ladder. How is this related to the force that the ground exerts on the ladder? direction vertical force magnitude direction (b) If the ladder is just on the verge of slipping when the firefighter is 9.20m from the bottom, what is the coefficient of static friction between ladder and ground? It may be helpful to think first about the force the wall exerts on the ladder. How is this related to the force that the ground exerts on the ladder? from the bottom before the ladder slips? m