Question

express 15m s-1 in km h-1​

Answer 1

Step-by-step explanation:

1m=1/1000 km

1sec=1/3600hr

1m/sec= 3600/1000 km/hr= 3.6 km/hr

15 m/s = 15*3.6. km/hr= 54 km/ hr

or

1m/s= 18/5 km/hr the iconic relation

so 15m/s= 15*18/5= 3*18=54km/hr.

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