find the number of revolutions of a bicycle wheel of diameter 1.5m when the bike...

[music]

...foes a distance of 80m...? down the street.

 

[Old Science Guy]

revs = meters / (meters/rev) = 80 m / (pi * 1.5 m/rev)

 

[Physicsquest]

80 / 4.71239 = 16.977 rev