physics

A 5.00-kg object placed on a frictionless, horizontal table is connected to a cable that passes over a pulley and then is fastened to a hanging 9.00-kg object. Draw free-body diagrams of both objects. Find the acceleration of the two objects and the tension in the string.

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  1. Tension on string = 5 a
    for 5 kg object.

    9 g - Tension on string = 9 a
    for 9 kg object

    a is the same in both equations unless the string breaks.
    Tension of spring is the same in both equations
    Solve the two equations for T and a

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  2. 6.3

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  3. a=(m2-m1/m2+m1) g
    Acceleration is 2.8 m/s2
    T=(2m2m1/m2+m1)g
    Tension is 63

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