An air puck of mass 0.171 kg is tied to a string and allowed to revolve in a circle of radius 1.14 m on a horizontal, frictionless table. The other end of the string passes through a hole in the center of the table and a mass of 1.33 kg is tied to it. The suspended mass remains in equilibrium while the puck revolves.

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A: mass of box = m = 10 kg co efficient of friction = 0.7 acceleration = a = 6 m/s2

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