Berapa 30 m/detik = ..........Km/Jam..?

1 m/s = (1x1000) km dan 1 s (1/3600) jam maka,
1 m/s = (1×1000) km / 1 s (1/3600) jam = 3,6 km/jam.

jadi

30 m/s = 30 x 3,6 km/jam = 108 km/jam

s = detik

semoga membantu