A Wheel (Radius = 0

Multiple Choice

A wheel (radius = 0.25 m) is mounted on a frictionless, horizontal axis. The rotational inertia of the wheel about the axis is 0.040 kg⋅m². A light cord wrapped around the wheel supports a 0.50-kg object as shown in the figure. The object is released from rest. What is the magnitude of the acceleration of the 0.50-kg object? ​ ​

A) 3.0 m/s²
B) 3.4 m/s²
C) 4.3 m/s²
D) 3.8 m/s²
E) 2.7 m/s²