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5-44 Two blocks with masses of 4 kg and 8 kg, respective-
ly, are connected by a string and slide down a 30° inclined
plane, as in Fig. 5-20. The coefficient of sliding friction
between the 4-kg block and the plane is 0.25, and between
the 8-kg block and the plane it is 0.50.
a) Calculate the acceleration of each block.
b) Calculate the tension in the string.
8 kg
4 kg
30°
Fig. 5-20

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