A circular wheel has a 17.5 m radius. How many rotations does it perform over an 11 km distance?
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Answer: C. 1000
Explanation
The circumference is 2 * (22/7) * 17.5 = 110 meters. The number of rotations in 11 km (11,000 meters) is 11,000 / 110 = 100.
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- Mathematics
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- Mathematics
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