Assignment:
A puck of mass 0.270 kg is tied to a string and allowed to revolve in a circle of radius 1.09 m on a frictionless horizontal table. The other end of the string passes through a hole in the center of the table, and a mass of 1.24 kg is tied to it (see figure). The suspended mass remains in equilibrium while the puck on the tabletop revolves. What is the speed of the puck?
