Answers!
The wheel covers/rotates through its circumference 5000 times to travel a distance of 11 km = 11 × 1000 m
We know, circumference of a circle = 2×pi×radius
=> 5000 × (2×pi×r) = 11,000 m
=> 2×r = (11,000) / (5000 × pi) [ calculating using pi = 22/7 ]
=> diameter (i.e., 2×r) = 0.7 m
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Answer the question...
The wheel covers/rotates through its circumference 5000 times to travel a distance of 11 km = 11 × 1000 m
We know, circumference of a circle = 2×pi×radius
=> 5000 × (2×pi×r) = 11,000 m
=> 2×r = (11,000) / (5000 × pi) [ calculating using pi = 22/7 ]
=> diameter (i.e., 2×r) = 0.7 m
Comment