Read the following statements about circular motion and answer the questions that follow:
a. Statement A: "The distance measured along the path from the starting point to the present position of the particle."\nStatement B: "The angle swept at the centre can exceed 2π for multiple revolutions."\nStatement C: "The quantity is naturally expressed in degrees or radians."\nStatement D: "Its dimension is that of length."
\nClassify each statement as belonging to (a) arc length s or (b) angular displacement θ. Justify each classification in one sentence.
b. For a circle of radius 0.25m, an arc length of 0.50m is traced out. Calculate the corresponding angular displacement and state its unit.
c. Convert the angular displacement obtained in part (ii) into degrees, showing each conversion step clearly.