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Two blocks of masses 20 kg and 8.0 kg are connected togetherby a light string and rest on a frictionless level surface. Attached to the 8-kg mass is a second light string, which a personuses to pull both blocks horizontally. If the two blocks systemacdereates at 0.5 m/s2, what is the tension in the second string attached to the 8-kg mass?

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