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An object of mass m1​= 5kg placed on a frictionless, horizontal table is connected to a string that passes over a pulley and then is fastened to a hanging object of mass m2​= 8kg as shown in figure.
Calculate,
(a) the acceleration (a) of the objects
(b) the tension (T) in the string.

(a) The acceleration of the objects (in m/s2) is

Answer for part 1
(b) The tension in the string (in Newtons) is

Answer for part 2​