A Turntable Has a Moment of Inertia of 3

Multiple Choice

A turntable has a moment of inertia of 3.00 x 10^-2 kg*m² and spins freely on a frictionless bearing at 25.0 rev/min.A 0.300-kg ball of putty is dropped vertically onto the turntable and sticks at a point 0.100 m from the center.What is the new rate of rotation of the system?

A) 40.8 rev/min
B) 22.7 rev/min
C) 33.3 rev/min
D) 27.2 rev/min