A Mass M = 5

Multiple Choice

A mass M = 5.6 kg on a horizontal table is pulled by a horizontal string that passes over a frictionless pulley to a free-hanging mass m = 3.4 kg. The coefficient of friction between M and the table is 0.28. The acceleration of M is

A) 3.7 m/s².
B) 2.0 m/s².
C) 2.2 m/s².
D) 0.20 m/s².
E) 0.49 m/s².