A 1.3 kilogram ball and a 2.4 kilogram ball are connected by a 1.0 meter long rigid, mass less rod. The rod is rotating about its center of mass at 20 rpm.
Find what torque will bring the balls to a halt in 4.2 second?
Nm
Determine where is the system center of mass (measured from the first ball's position)?
m
Find the moment of inertia of the system around its center of mass?
kgm2