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One 4.0-kg paint bucket is hanging by a cord from another 4.0-kg paint bucket, also hanging...

One 4.0-kg paint bucket is hanging by a cord from another 4.0-kg paint bucket, also hanging by a cord, as shown in the figure (Figure 1). Each of the cords weighs 2.8 N.If the two buckets are pulled upward with an acceleration of 1.60 m/s2 by the upper cord, determine the tension in each cord at the three points of attachment.

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