A wheel completes 2000 rotations in covering a distance of 9.5km.The diameter of the wheel is:
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9.5 km= 9500 m
distance covered in 1 rotation 9500/2000=4.75 m
so 2πr=4.75
r= 0.75m
diameter = 1.5 m
distance covered in 1 rotation 9500/2000=4.75 m
so 2πr=4.75
r= 0.75m
diameter = 1.5 m
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