The diameter of a car wheel is 56 cm. how many times the wheel will rotate in a journey of 17.6 km.
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The diameter (circumference) of the car wheel is 56 cm = 0.00056km
i.e,. the car can cover 0.00056 km for one complete rotation of the wheel
Divide the required distance (17.6) with 0.00056
This gives you the no.of rotations that a car wheel makes to complete that mentioned distance(17.6km),which is equal to 31428.571 (approximately 31428) rotations
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