A Mass M₁ Is Connected by a Light String That

question 70

Multiple Choice

A mass m₁ is connected by a light string that passes over a pulley of mass M to a mass m₂ sliding on a frictionless horizontal surface as shown in the figure.There is no slippage between the string and the pulley.The pulley has a radius of 25.0 cm and a moment of inertia of 1/2 MR².If m₁ is 4.00 kg,m₂ is 4.00 kg,and M is 4.00 kg,then what is the acceleration of m₁?

• A) 4.42 m/s²
• B) 3.92 m/s²
• C) 3.42 m/s²
• D) 3.04 m/s²
• E) 2.96 m/s²

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