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Question 4., , The wheel of a bullock cart has a diameter of, 1.4m. How many rotations will the wheel, complete as the cart travels 1.1 km?, Solution:, , Diameter of the wheel of the bullock cart (d), =1.4m, , Circumference of the wheel of the bullock, , cart (c) = nd, _ 22 _ 22) 14 _ 44 _, => xl4=75x j= =44m, , Distance covered in 1 rotation =, , Circumference of the wheel, , , , , , =44m, Distance covered, Number of rotations =, Circumference, — Likm _ 1.1x1000m [1 km = 1000 m}, 4.4m 4.4m, _ 11x 1000, 44, , = 250, -. The wheel of the bullock cart will complete, , 250 rotations as the cart travels 1.1 km. Za