Answers

2014-08-16T16:17:27+08:00
We first compute the 2 masses: M1: 72N = M1 (5.0m/s^2) --> M1 = 14.4 kg and M2: 72N = M2 (20 m/s^2) --> M2 = 3.6 kg. We combine the masses to determine the acceleration: 72 N = (3.6 kg + 14.4 kg) A --> A = 4.0 m/s^2.
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