Two masses are connected by a light string running over a light pulley of negligible friction, as illustrated in the space diagram (1) of Figure 4.13. One mass (m1 = 5.0 kg) is on a frictionless 20° inclined plane, and the other (m2 = 1.5 kg) is freely suspended. What is the acceleration of the masses?

THINKING IT THROUGH. Apply the preceding Problem-Solving Strategy.

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2 1 N T Im, 8 Space diagram direction of acceleration of m, m2 m28