A light, inextensible cord passes over a light,
frictionless pulley with a radius of 6.7 cm.
It has a(n) 19 kg mass on the left and a(n)
3.7 kg mass on the right, both hanging freely.
Initially their center of masses are a vertical
distance 1.5 m apart.
The acceleration of gravity is 9.8 m/s^2