ANSWERS: 1

Circumference of wheel: (3/5) pi meters. Travels: 60000 meters in an hour = 1000 meters in a minute. number of revolutions in a minute 1000 / ((3/5)pi) Number of radians in a minute 2*pi * 1000 / ((3/5)pi) 2000 / (3/5) 3333 radians per minute. Check: 3333 radians per minute = 200000 radians in an hour = 31828 revolutions in an hour. 1.885 meters per revolution. 0.6 meters diameter. 0.3 meters radius.
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