A bicycle

A bicycle wheel has a diameter of 63 cm. Calculate how many times the wheel turns round in travelling 19.8 km .

Correct answer:

N =  10004

Step-by-step explanation:

d=63 cm m=63/100  m=0.63 m o=π d=3.1416 0.631.9792 m s=19.8 km m=19.8 1000  m=19800 m  N=s/o=19800/1.9792=10004



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