Figure shows two blocks connected by a cord (of negligible mass) that passes over a frictionless...

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Figure 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 \( m_{1}=1.30 \mathrm{~kg} \); the other has mass \( m_{2}=2.80 \mathrm{~kg} \). What are the magnitude of the blocks' acceleration and the tension in the cord?
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