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A Mass M = 4

Question 59

Multiple Choice

A mass m = 4.0 kg is connected, as shown, by a light cord to a mass M = 6.0 kg, which slides on a smooth horizontal surface. The pulley rotates about a frictionless axle and has a radius R = 0.12 m and a rotatinal inertia I = 0.090 kg⋅m2. The cord does not slip on the pulley. What is the magnitude of the acceleration of m? ​ A mass m = 4.0 kg is connected, as shown, by a light cord to a mass M = 6.0 kg, which slides on a smooth horizontal surface. The pulley rotates about a frictionless axle and has a radius R = 0.12 m and a rotatinal inertia I = 0.090 kg⋅m<sup>2</sup>. The cord does not slip on the pulley. What is the magnitude of the acceleration of m? ​ ​ A) 2.4 m/s<sup>2</sup> B) 2.8 m/s<sup>2</sup> C) 3.2 m/s<sup>2</sup> D) 4.2 m/s<sup>2</sup> E) 1.7 m/s<sup>2</sup> ​


A) 2.4 m/s2
B) 2.8 m/s2
C) 3.2 m/s2
D) 4.2 m/s2
E) 1.7 m/s2

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