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Objects of masses m1 = 4.0 kg and m2 = 9.0 kg are connected by a light string that passes over a frictionless pulley in the figure. The object m1 is held at rest on the floor, and m2 rests on a fixed incline of θ = 40.5∘. The objects are released from rest, and m2 slides 1.3 m down the slope of the incline in 3.95 s. (THIS IS AN EXAM QUESTION.) 18.) Find the magnitude of the acceleration of m1 (in m/s2). (A) 2.0 (B) 4.0 (D) 0.17 (E) 0.13 (C) 9.8 19.) Find the coefficient of kinetic friction between m2 and the incline. (A) 0.58 (B) 0.30 (C) 0.24 (D) 0.085 (E) 1.64

Objects of masses m1 = 4.0 kg and m2 = 9.0 kg are connected by a light string that passes over a frictionless pulley in the figure. The object m1 is held at rest on the floor, and m2 rests on a fixed incline of θ = 40.5∘. The objects are released from rest, and m2 slides 1.3 m down the slope of the incline in 3.95 s. (THIS IS AN EXAM QUESTION.) 18.) Find the magnitude of the acceleration of m1 (in m/s2). (A) 2.0 (B) 4.0 (D) 0.17 (E) 0.13 (C) 9.8 19.) Find the coefficient of kinetic friction between m2 and the incline. (A) 0.58 (B) 0.30 (C) 0.24 (D) 0.085 (E) 1.64

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Problem Thirteen. Objects of masses m 1 = 4.0 k g and m 2 = 9.0 k g are connected by a light string that passes over a frictionless pulley in the figure. The object m 1 is held at rest on the floor, and m 2 rests on a fixed incline of θ = 40.5 ∘ . The objects are released from rest, and m 2 slides 1.3 m down the slope of the incline in 3.95 s . (THIS IS AN EXAM QUESTION.) 18.) Find the magnitude of the acceleration of m 1 (in m / s 2 ). (A) 2.0 (B) 4.0 (D) 0.17 (E) 0.13 (C) 9.8 19.) Find the coefficient of kinetic friction between m 2 and the incline. (A) 0.58 (B) 0.30 (C) 0.24 (D) 0.085 (E) 1.64

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