AS the world record is around 48 seconds I would think hundreds if not thousands of swimmers have done that.
less than...a km is 1000 meters
1 minute
4 meters is less than 450 centimeters which equals 4.5 meters
Less
6 centimeters is less than 6 meters.
0.17 meters is greater than 0.165 meters.
Less than 15400 meters. 15,400 meters = 15.4 kilometers
2 cm is less than 4 meters
Minutes are greater than seconds because 60 seconds equal a minute. A minute is 1/60 of a minute
30 meters per second is faster than 1 mile per minute. 30 meters per second is about 67.1 mph. A mile per minute is 60 mph.
5000 meters is about 3.11 miles.That's less than 10 miles.
350 mm = 0.35 meter. That's less than 3.5 meters.