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QUESTION
A powered model airplane of mass 1.59 kg is tied to a ceiling with string and allowed to fly at speed 0.61 m/s in a circular path of radius 0.
A powered model airplane of mass 1.59 kg is tied to a ceiling with string and allowed to fly at speed 0.61 m/s in a circular path of radius 0.8 m while suspended by the string which makes a constant angle with respect to the vertical.
(a)
