Two forces act on a 20.0 kg object. One force has magnitude 60 N directed 45° clockwise from the positive x-axis, and the other has a magnitude 30 N at 60° counter-clockwise from the positive x- axis. What is the magnitude of this object's acceleration? O 4.47 m/s2 O 2.89 m/s2 O 1.30 m/s2 O 1.56 m/s2
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