A weight with mass m hangs in a light cord. The cord is connected by a block of mass 3m lying on a frictionless, horizontal table. The cord runs over a massless pulley. See the figure below. 3m m The weight is kept still before it is released. What is the speed of the weight when it has fallen a vertical distance h? You should get one of the following answers: Ogl 0 gh O2gh gh gh 4