A block of mass m1 = 25 kg rests on a wedge of angle θ = 49∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then attached to another block of mass m2 = 7 kg. μk = 0.5. The string and wedge are long enough to ensure neither block hits the pulley or the table in this problem, and you may assume that block 1 never reaches the table. g= 9.81.The system is released from rest as shown above, at t = 0.
(a) Find the magnitude of the acceleration of block 1 when it is released?
(b) How many cm down the plane will block 1 have traveled when 0.72 s has elapsed?

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