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Figure 5-50 shows two blocks connected b...

Figure 5-50 shows two blocks connected by a cord (of negligible mass) that passes over a frictionless pulley (also of negligible mass). The arrangement is known as Atwood's machine. One block has mass `m_(1)=1.30` kg, the other has mass `m_(2)=2.80` kg. What are (a) the magnitude of the blocks' acceleration and (b) the tension in the cord ?

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(a) `3.6" m"//"s"^(2),` (b) 17 N
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