The Atwood machine consists of two masses suspended from a fixed pulley, as shown in Fig. 4.42. It is named after the British scientist George Atwood (1746€“ 1807), who used it to study motion and to mea-sure the value of g. If m1 = 0.55 kg and m2 = 0.80 kg,
(a) What is the acceleration of the system, and
(b) What is the magnitude of the tension in the string?

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