A Mass M₁ Is Connected by a Light String That

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 cm and a moment of inertia of 1/2 MR².If m₁ is 4.00 kg,m₂ is 2.00 kg,and M is 4.00 kg,then what is the acceleration of m₁?

A) 4.9 m/s²
B) 4.5 m/s²
C) 4.1 m/s²
D) 3.9 m/s²
E) 3.7 m/s²

Correct Answer:

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