The number of revolutions each tire make is ; 693.62 revs/km
Using the given data:
Diameter of bicycle tires = 27.1 inches
Radius ( r ) = 27.1 / 2 = 13.55 inches
distance covered by bicycle = 1.5 km
determine number of revolutions made by each tire
Number of revolutions = distance covered / circumference of tire
circumference = 2 π r
= 2 * π * 13.55 = 85.14 inches
∴ number of revs = 1.5 km / 85.14 inches = 693.62 revs
Hence we can conclude that the number of revolutions each tire make = 693.62 revs/km
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