A Mass (M1 = 5

question 39

Multiple Choice

A mass (M1 = 5.0 kg) is connected by a light cord to a mass (m² = 4.0 kg) which slides on a smooth surface, as shown in the figure. The pulley (radius = 0.20 m) rotates about a frictionless axle. The acceleration of m² is 3.5 m/s². What is the rotational inertia of the pulley? ​ ​

• A)0.29 kg⋅m²
• B)0.42 kg⋅m²
• C)0.20 kg⋅m²
• D)0.62 kg⋅m²
• E)0.60 kg⋅m²

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