A Wheel (Radius = 0

question 40

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

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