A uniform disk of radius 0.12 m is mounted on a frictionless,horizontal axis. A light cord wrapped around the disk supports a 1.4 kg object, as shown. Whenreleased from rest the object falls with a downward accelerationof2.4 m/s2.What is the mass of the disk? Theacceleration due to gravity is 9.8 m/s2 . Answer in units of kg.
