A 15-Kg Block Sitting on a Smooth Table Is Connected

Multiple Choice

A 15-kg block sitting on a smooth table is connected to a free-hanging 5-kg mass by a stretchless,massless cord that passes over a small frictionless pulley.The acceleration of the two-block system is

A) equal to g.
B) half of g.
C) one-third of g.
D) one-fourth of g.
E) zero.