Bike wheel

The bike wheel has a radius of 30cm. How many times does it turn if we go on a 471m bike?

Correct result:

n =  250

Solution:

r=30 cm s=471 m cm=471 100  cm=47100 cm  o=2π r=2 3.1416 30188.4956 cm n=s/o=47100/188.4956=250



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