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d = 35cm, r = 35/2 cm
distance covered in 1 rotation = circumference = 2πr = 2*22/7*35/2
= 110 cm
so we get the speed as 110cm/rotation
total distance = 110m = 110 * 10^3 cm
no of rotations = total distance/speed = 110 *10^3/110
no of rotations = 1000 rotations
Hope I helped
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