Express the speed in kilometers per hour: 2 m / s, 5m / s, 20m / s, 100m / s.

univerkov | December 14, 2020 | education

1m / s = 3600/1000 = 3.6 km / h (1 h = 3600 s, and 1 km = 1000m)
2m / s = 3.6 * 2 = 7.2 km / h
5 m / s = 3.6 * 5 = 18 km / h
20m / s = 3.6 * 20 = 72 km / h
100 m / s = 3.6 * 100 = 360 km / h

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