41cm/s→Km/h41cm/s\to Km/h41cm/s→Km/h
60s =1min
60min=1h
1km=1000m
1m=100cm
∴\therefore∴ 1km =1000x100 = 100000cm
41cm∣sx1km∣100000cmx60s∣1minx60min∣1h41cm\mid s x 1km\mid100000cm x 60s\mid 1min x60min\mid 1h41cm∣sx1km∣100000cmx60s∣1minx60min∣1h
=41x60x60100000\cfrac{41x60x60} {100000}10000041x60x60
=1.476km/h
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