hi guys :surprised
please help im really confuzzeledcan anyone help me with this?
a tree house has a vertical "fire pole" of smooth metal, designed for quick exits. a child of mass 35.7 kg slides down the pole with constant acceleration, starting from rest. the pole is 3.10 m high. the trip to the ground takes 2.00 s. what is the magnitude of the upward force of friction exerted by the pole on the child?