Respuesta :

Answer:

8/second

multiply by 3600

= 28800 /hour (revolutions)

pi*r^2

pi*0.8^2 = 2.0106192983 m

approx = 2.011 m = 0.0020106192983 km = 0.002012 km approx

28800*0.0020106192983 = 57.905835791 km