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October 21, 2014

Homework Help: physics

Posted by jennifer on Thursday, February 9, 2012 at 2:42pm.

Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The object m1 is held at rest on the floor, and m2 rests on a fixed incline of θ = 38.0. The objects are released from rest, and m2 slides 1.60 m down the slope of the incline in 3.90 s.

(a) Determine the acceleration of each object. (Enter the magnitude only.)
m/s2

(b) Determine the tension in the string. (Enter the magnitude only.)
N

(c) Determine the coefficient of kinetic friction between m2 and the incline.

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