The figure below shows two blocks connected by a string of negligible mass passing over a frictionless pulley.         m1 = 9.0 kg and ? = 12.0°. Assume that the incline is smooth. a) For what value of m2 (in kg) will the system be in equilibrium? m2 =             kg (b) If the block has to slide down the incline with an acceleration of 0.4 m/s2, what should be the value of m2 =                 (in kg)

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