The top of a ladder of inertia m rests against a smooth wall, and the foot rests on the ground. the coefficient of static friction between ground and ladder is μs. what is the smallest angle between the ground and the ladder such that the ladder does not slip? express your answer in terms of some or all of the variables m and μs.

Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative