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Transformați următoarele viteze:
1)72 km/h=?m/s
2)36 km/h=?m/s



Răspuns :

[tex]1) \ 72 \ km/h=20 \ m /s \\ 2) \ 36 \ km/h=10 \ m/s.[/tex]
1. 72km/h=72000m/3600s=720m/36s=20m/s;
2. 36km/h=36000m/3600s=360m/36s=10m/s;