The wheel of a bullock cart has a diameter of 1.4 m. How many rotation will the wheel complete as the cart travels 2.2 km?
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Answer:
Diameter of cart =1.4m
Circumference =πd=
7
22
×1.4
=22×0.2
=4.4 metres
1 rotation of the wheel travels 4.4 metres.
Total distance to travel =1.1km =1100m
No. of rotations required =
4.4
1100
=
44
11000
=250
The wheel completes 250 rotations to reach 1.1km.
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